diff --git a/src/Content/Text/BBCode.php b/src/Content/Text/BBCode.php
index 2bb563e74..6d41cd85c 100644
--- a/src/Content/Text/BBCode.php
+++ b/src/Content/Text/BBCode.php
@@ -997,7 +997,7 @@ class BBCode
 					$attributes[$field] = html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8');
 				}
 
-				$author_contact = Contact::getByURL($attributes['profile'], false, ['url', 'addr', 'name', 'micro']);
+				$author_contact = Contact::getByURL($attributes['profile'], false, ['id', 'url', 'addr', 'name', 'micro']);
 				$author_contact['url'] = ($author_contact['url'] ?? $attributes['profile']);
 				$author_contact['addr'] = ($author_contact['addr'] ?? '') ?: Protocol::getAddrFromProfileUrl($attributes['profile']);
 
@@ -1005,7 +1005,9 @@ class BBCode
 				$attributes['avatar']   = ($author_contact['micro'] ?? '') ?: $attributes['avatar'];
 				$attributes['profile']  = ($author_contact['url']   ?? '') ?: $attributes['profile'];
 
-				if ($attributes['avatar']) {
+				if (!empty($author_contact['id'])) {
+					$attributes['avatar'] = Contact::getAvatarUrlForId($author_contact['id'], ProxyUtils::SIZE_THUMB);
+				} elseif ($attributes['avatar']) {
 					$attributes['avatar'] = ProxyUtils::proxifyUrl($attributes['avatar'], false, ProxyUtils::SIZE_THUMB);
 				}
 
diff --git a/src/Factory/Api/Mastodon/Attachment.php b/src/Factory/Api/Mastodon/Attachment.php
index a447e6b8f..f073ac157 100644
--- a/src/Factory/Api/Mastodon/Attachment.php
+++ b/src/Factory/Api/Mastodon/Attachment.php
@@ -67,17 +67,16 @@ class Attachment extends BaseFactory
 
 			$remote = $attachment['url'];
 			if ($type == 'image') {
-				if (Proxy::isLocalImage($attachment['url'])) {
-					$url     = $attachment['url'];
-					$preview = $attachment['preview'] ?? $url;
-					$remote  = '';
-				} else {
-					$url     = Proxy::proxifyUrl($attachment['url']);
-					$preview = Proxy::proxifyUrl($attachment['url'], false, Proxy::SIZE_SMALL);
-				}
+				$url     = Post\Media::getPreviewUrlForId($attachment['id']);
+				$preview = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_SMALL);
 			} else {
-				$url     = Proxy::proxifyUrl($attachment['url']);
-				$preview = Proxy::proxifyUrl($attachment['preview'] ?? '');
+				$url = $attachment['url'];
+
+				if (!empty($attachment['preview'])) {
+					$preview = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_SMALL);
+				} else {
+					$preview = '';
+				}
 			}
 
 			$object        = new \Friendica\Object\Api\Mastodon\Attachment($attachment, $type, $url, $preview, $remote);
diff --git a/src/Factory/Notification/Introduction.php b/src/Factory/Notification/Introduction.php
index aacb0b778..ff9c028af 100644
--- a/src/Factory/Notification/Introduction.php
+++ b/src/Factory/Notification/Introduction.php
@@ -139,7 +139,7 @@ class Introduction extends BaseFactory
 						'madeby_zrl'     => Contact::magicLink($notification['url']),
 						'madeby_addr'    => $notification['addr'],
 						'contact_id'     => $notification['contact-id'],
-						'photo'          => (!empty($notification['fphoto']) ? Proxy::proxifyUrl($notification['fphoto'], false, Proxy::SIZE_SMALL) : Contact::DEFAULT_AVATAR_PHOTO),
+						'photo'          => Contact::getAvatarUrlForUrl($notification['furl'], 0, Proxy::SIZE_SMALL),
 						'name'           => $notification['fname'],
 						'url'            => $notification['furl'],
 						'zrl'            => Contact::magicLink($notification['furl']),
diff --git a/src/Factory/Notification/Notification.php b/src/Factory/Notification/Notification.php
index 1167c5a75..e69b2131e 100644
--- a/src/Factory/Notification/Notification.php
+++ b/src/Factory/Notification/Notification.php
@@ -32,6 +32,7 @@ use Friendica\Core\PConfig\IPConfig;
 use Friendica\Core\Protocol;
 use Friendica\Core\Session\ISession;
 use Friendica\Database\Database;
+use Friendica\Model\Contact;
 use Friendica\Model\Post;
 use Friendica\Module\BaseNotifications;
 use Friendica\Network\HTTPException\InternalServerErrorException;
@@ -239,7 +240,7 @@ class Notification extends BaseFactory
 				$formattedNotifications[] = new \Friendica\Object\Notification\Notification([
 					'label' => 'notification',
 					'link'  => $this->baseUrl->get(true) . '/notification/' . $notification->id,
-					'image' => Proxy::proxifyUrl($notification->photo, false, Proxy::SIZE_MICRO),
+					'image' => Contact::getAvatarUrlForUrl($notification->url, $notification->uid, Proxy::SIZE_MICRO),
 					'url'   => $notification->url,
 					'text'  => strip_tags(BBCode::convert($notification->msg)),
 					'when'  => DateTimeFormat::local($notification->date, 'r'),
diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index dc7848278..86f848da3 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -1510,14 +1510,10 @@ class Contact
 			$avatar = $contact['avatar'];
 		}
 
-		if (empty($avatar)) {
-			$avatar = self::getDefaultAvatar([], $size);
-		}
-
-		if (Proxy::isLocalImage($avatar)) {
+		if (!empty($avatar) && Proxy::isLocalImage($avatar)) {
 			return $avatar;
 		} else {
-			return Proxy::proxifyUrl($avatar, false, $size);
+			return self::getAvatarUrlForId($contact['id'], $size);
 		}
 	}
 
@@ -1665,12 +1661,47 @@ class Contact
 	/**
 	 * Get avatar link for given contact id
 	 *
-	 * @param integer $cid contact id
+	 * @param integer $cid  contact id
+	 * @param string  $size One of the ProxyUtils::SIZE_* constants
 	 * @return string avatar link
 	 */
-	public static function getAvatarUrlForId(int $cid):string
+	public static function getAvatarUrlForId(int $cid, string $size = ''):string
 	{
-		return DI::baseUrl() . '/photo/contact/' . $cid;
+		$url = DI::baseUrl() . '/photo/contact/';
+		switch ($size) {
+			case Proxy::SIZE_MICRO:
+				$url .= Proxy::PIXEL_MICRO . '/';
+				break;
+			case Proxy::SIZE_THUMB:
+				$url .= Proxy::PIXEL_THUMB . '/';
+				break;
+			case Proxy::SIZE_SMALL:
+				$url .= Proxy::PIXEL_SMALL . '/';
+				break;
+			case Proxy::SIZE_MEDIUM:
+				$url .= Proxy::PIXEL_MEDIUM . '/';
+				break;
+			case Proxy::SIZE_LARGE:
+				$url .= Proxy::PIXEL_LARGE . '/';
+				break;
+		}
+		return $url . $cid;
+	}
+
+	/**
+	 * Get avatar link for given contact URL
+	 *
+	 * @param string  $url  contact url
+	 * @param integer $uid  user id
+	 * @param string  $size One of the ProxyUtils::SIZE_* constants
+	 * @return string avatar link
+	 */
+	public static function getAvatarUrlForUrl(string $url, int $uid, string $size = ''):string
+	{
+		$condition = ["`nurl` = ? AND ((`uid` = ? AND `network` IN (?, ?)) OR `uid` = ?)",
+			Strings::normaliseLink($url), $uid, Protocol::FEED, Protocol::MAIL, 0];
+		$contact = self::selectFirst(['id'], $condition);
+		return self::getAvatarUrlForId($contact['id'] ?? 0, $size);
 	}
 
 	/**
diff --git a/src/Model/Item.php b/src/Model/Item.php
index 871ff9ad8..78e0321b4 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -2863,12 +2863,8 @@ class Item
 				continue;
 			}
 
-			$author = ['uid' => 0, 'id' => $item['author-id'],
-				'network' => $item['author-network'], 'url' => $item['author-link']];
-			$the_url = Contact::magicLinkByContact($author, $attachment['url']);
-
 			if (!empty($attachment['preview'])) {
-				$preview_url = Proxy::proxifyUrl(Contact::magicLinkByContact($author, $attachment['preview']));
+				$preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE); 
 			} else {
 				$preview_url = '';
 			}
@@ -2878,7 +2874,7 @@ class Item
 				$media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
 					'$video' => [
 						'id'      => $attachment['id'],
-						'src'     => $the_url,
+						'src'     => $attachment['url'],
 						'name'    => $attachment['name'] ?: $attachment['url'],
 						'preview' => $preview_url,
 						'mime'    => $attachment['mimetype'],
@@ -2893,8 +2889,8 @@ class Item
 				$media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
 					'$audio' => [
 						'id'     => $attachment['id'],
-						'src'    => $the_url,
-						'name'    => $attachment['name'] ?: $attachment['url'],
+						'src'    => $attachment['url'],
+						'name'   => $attachment['name'] ?: $attachment['url'],
 						'mime'   => $attachment['mimetype'],
 					],
 				]);
@@ -2904,14 +2900,11 @@ class Item
 					$trailing .= $media;
 				}
 			} elseif ($attachment['filetype'] == 'image') {
-				if (empty($preview_url) && (max($attachment['width'], $attachment['height']) > 600)) {
-					$preview_url = Proxy::proxifyUrl($the_url, false, ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE);
-				}
 				$media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
-					'$image' => [
-						'src'    => Proxy::proxifyUrl($the_url),
-						'preview' => $preview_url,
-						'attachment'   => $attachment,
+					'$image' => [ 
+						'src'        => Post\Media::getUrlForId($attachment['id']),
+						'preview'    => Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE),
+						'attachment' => $attachment,
 					],
 				]);
 				// On Diaspora posts the attached pictures are leading
@@ -2989,11 +2982,11 @@ class Item
 				'type' => 'link',
 				'url' => $attachment['url']];
 
-			if ($preview) {
+			if ($preview && !empty($attachment['preview'])) {
 				if ($attachment['preview-width'] >= 500) {
-					$data['image'] = $attachment['preview'] ?? '';
+					$data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM); 
 				} else {
-					$data['preview'] = $attachment['preview'] ?? '';
+					$data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
 				}
 			}
 
diff --git a/src/Model/Post/Media.php b/src/Model/Post/Media.php
index 81c41755f..63bfe0034 100644
--- a/src/Model/Post/Media.php
+++ b/src/Model/Post/Media.php
@@ -31,6 +31,7 @@ use Friendica\Model\Item;
 use Friendica\Model\Post;
 use Friendica\Util\Images;
 use Friendica\Util\ParseUrl;
+use Friendica\Util\Proxy;
 use Friendica\Util\Strings;
 
 /**
@@ -494,10 +495,10 @@ class Media
 
 	/**
 	 * Split the attachment media in the three segments "visual", "link" and "additional"
-	 * 
-	 * @param int    $uri_id 
+	 *
+	 * @param int    $uri_id
 	 * @param string $guid
-	 * @param array  $links ist of links that shouldn't be added 
+	 * @param array  $links ist of links that shouldn't be added
 	 * @return array attachments
 	 */
 	public static function splitAttachments(int $uri_id, string $guid = '', array $links = [])
@@ -526,7 +527,7 @@ class Media
 					continue 2;
 				}
 			}
-			
+
 			if (!empty($medium['preview'])) {
 				$previews[] = $medium['preview'];
 			}
@@ -631,4 +632,64 @@ class Media
 
 		return $body;
 	}
+
+	/**
+	 * Get preview link for given media id
+	 *
+	 * @param integer $id   media id
+	 * @param string  $size One of the ProxyUtils::SIZE_* constants
+	 * @return string preview link
+	 */
+	public static function getPreviewUrlForId(int $id, string $size = ''):string
+	{
+		$url = DI::baseUrl() . '/photo/preview/';
+		switch ($size) {
+			case Proxy::SIZE_MICRO:
+				$url .= Proxy::PIXEL_MICRO . '/';
+				break;
+			case Proxy::SIZE_THUMB:
+				$url .= Proxy::PIXEL_THUMB . '/';
+				break;
+			case Proxy::SIZE_SMALL:
+				$url .= Proxy::PIXEL_SMALL . '/';
+				break;
+			case Proxy::SIZE_MEDIUM:
+				$url .= Proxy::PIXEL_MEDIUM . '/';
+				break;
+			case Proxy::SIZE_LARGE:
+				$url .= Proxy::PIXEL_LARGE . '/';
+				break;
+		}
+		return $url . $id;
+	}
+
+	/**
+	 * Get media link for given media id
+	 *
+	 * @param integer $id   media id
+	 * @param string  $size One of the ProxyUtils::SIZE_* constants
+	 * @return string media link
+	 */
+	public static function getUrlForId(int $id, string $size = ''):string
+	{
+		$url = DI::baseUrl() . '/photo/media/';
+		switch ($size) {
+			case Proxy::SIZE_MICRO:
+				$url .= Proxy::PIXEL_MICRO . '/';
+				break;
+			case Proxy::SIZE_THUMB:
+				$url .= Proxy::PIXEL_THUMB . '/';
+				break;
+			case Proxy::SIZE_SMALL:
+				$url .= Proxy::PIXEL_SMALL . '/';
+				break;
+			case Proxy::SIZE_MEDIUM:
+				$url .= Proxy::PIXEL_MEDIUM . '/';
+				break;
+			case Proxy::SIZE_LARGE:
+				$url .= Proxy::PIXEL_LARGE . '/';
+				break;
+		}
+		return $url . $id;
+	}
 }
diff --git a/src/Model/Profile.php b/src/Model/Profile.php
index b32c58fc9..b8a5bc822 100644
--- a/src/Model/Profile.php
+++ b/src/Model/Profile.php
@@ -329,9 +329,9 @@ class Profile
 		// correct contact table entry for the logged-in user.
 		$profile_contact = [];
 
-		if (!empty($profile['nurl'] ?? '')) {
-			if (local_user() && ($profile['uid'] ?? '') != local_user()) {
-				$profile_contact = Contact::getById(Contact::getIdForURL($profile['nurl'], local_user()));
+		if (!empty($profile['nurl'])) {
+			if (local_user() && ($profile['uid'] ?? 0) != local_user()) {
+				$profile_contact = Contact::getByURL($profile['nurl'], null, ['rel'], local_user());
 			}
 			if (!empty($profile['cid']) && self::getMyURL()) {
 				$profile_contact = Contact::selectFirst(['rel'], ['id' => $profile['cid']]);
@@ -359,6 +359,12 @@ class Profile
 			$profile_url = DI::baseUrl()->get() . '/profile/' . $profile['nickname'];
 		}
 
+		if (!empty($profile['id'])) {
+			$cid = $profile['id'];
+		} else {
+			$cid = Contact::getIdForURL($profile_url, false);
+		}
+
 		$follow_link = null;
 		$unfollow_link = null;
 		$subscribe_feed_link = null;
@@ -501,11 +507,9 @@ class Profile
 			$p['address'] = BBCode::convert($p['address']);
 		}
 
-		if (isset($p['photo'])) {
-			$p['photo'] = ProxyUtils::proxifyUrl($p['photo'], false, ProxyUtils::SIZE_SMALL);
-		}
+		$p['photo'] = Contact::getAvatarUrlForId($cid);
 
-		$p['url'] = Contact::magicLink(($p['url'] ?? '') ?: $profile_url);
+		$p['url'] = Contact::magicLink($profile_url);
 
 		$tpl = Renderer::getMarkupTemplate('profile/vcard.tpl');
 		$o .= Renderer::replaceMacros($tpl, [
diff --git a/src/Module/Photo.php b/src/Module/Photo.php
index d430fa9b0..9fdda1a8d 100644
--- a/src/Module/Photo.php
+++ b/src/Module/Photo.php
@@ -27,6 +27,7 @@ use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\Contact;
 use Friendica\Model\Photo as MPhoto;
+use Friendica\Model\Post;
 use Friendica\Util\Proxy;
 use Friendica\Object\Image;
 
@@ -68,10 +69,10 @@ class Photo extends BaseModule
 		if (!empty($parameters['customsize'])) {
 			$customsize = intval($parameters['customsize']);
 			$uid = MPhoto::stripExtension($parameters['name']);
-			$photo = self::getAvatar($uid, $parameters['type']);
+			$photo = self::getAvatar($uid, $parameters['type'], $customsize);
 		} elseif (!empty($parameters['type'])) {
 			$uid = MPhoto::stripExtension($parameters['name']);
-			$photo = self::getAvatar($uid, $parameters['type']);
+			$photo = self::getAvatar($uid, $parameters['type'], Proxy::PIXEL_SMALL);
 		} elseif (!empty($parameters['name'])) {
 			$photoid = MPhoto::stripExtension($parameters['name']);
 			$scale = 0;
@@ -149,23 +150,56 @@ class Photo extends BaseModule
 		exit();
 	}
 
-	private static function getAvatar($uid, $type="avatar")
+	private static function getAvatar($uid, $type="avatar", $customsize)
 	{
 		switch($type) {
+			case "preview":
+				$media = DBA::selectFirst('post-media', ['preview', 'url', 'type', 'uri-id'], ['id' => $uid]);
+				if (empty($media)) {
+					return false;
+				}
+				$url = $media['preview'];
+
+				if (empty($url) && ($media['type'] == Post\Media::IMAGE)) {
+					$url = $media['url'];
+				}
+
+				if (empty($url)) {
+					return false;
+				}
+
+				$author = Contact::selectFirst([], ["`id` IN (SELECT `author-id` FROM `post` WHERE `uri-id` = ?)", $media['uri-id']]);
+				$url = Contact::magicLinkByContact($author, $url);
+
+				return MPhoto::createPhotoForExternalResource($url);
+			case "media":
+				$media = DBA::selectFirst('post-media', ['url'], ['id' => $uid, 'type' => Post\Media::IMAGE]);
+				if (empty($media['url'])) {
+					return false;
+				}
+
+				$author = Contact::selectFirst([], ["`id` IN (SELECT `author-id` FROM `post` WHERE `uri-id` = ?)", $media['uri-id']]);
+				$url = Contact::magicLinkByContact($author, $media['url']);
+
+				return MPhoto::createPhotoForExternalResource($url);
 			case "contact":
-				$contact = Contact::getById($uid, ['uid', 'url', 'avatar', 'photo']);
+				$contact = Contact::getById($uid, ['uid', 'url', 'avatar', 'photo', 'xmpp', 'addr']);
 				if (empty($contact)) {
 					return false;
 				}
 				If (($contact['uid'] != 0) && empty($contact['photo']) && empty($contact['avatar'])) {
-					$contact = Contact::getByURL($contact['url'], false, ['avatar', 'photo']);
+					$contact = Contact::getByURL($contact['url'], false, ['avatar', 'photo', 'xmpp', 'addr']);
 				}
 				if (!empty($contact['photo'])) {
 					$url = $contact['photo'];
 				} elseif (!empty($contact['avatar'])) {
 					$url = $contact['avatar'];
+				} elseif ($customsize <= Proxy::PIXEL_MICRO) {
+					$url = Contact::getDefaultAvatar($contact, Proxy::SIZE_MICRO);
+				} elseif ($customsize <= Proxy::PIXEL_THUMB) {
+					$url = Contact::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
 				} else {
-					$url = DI::baseUrl() . Contact::DEFAULT_AVATAR_PHOTO;
+					$url = Contact::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
 				}
 				return MPhoto::createPhotoForExternalResource($url);
 			case "header":
@@ -210,7 +244,7 @@ class Photo extends BaseModule
 				default:
 					$default = Contact::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
 			}
-	
+
 			$parts = parse_url($default);
 			if (!empty($parts['scheme']) || !empty($parts['host'])) {
 				$photo = MPhoto::createPhotoForExternalResource($default);
diff --git a/src/Module/Proxy.php b/src/Module/Proxy.php
index e43852bab..f929d4f73 100644
--- a/src/Module/Proxy.php
+++ b/src/Module/Proxy.php
@@ -181,7 +181,7 @@ class Proxy extends BaseModule
 	private static function getRequestInfo()
 	{
 		$a = DI::app();
-		$size = 1024;
+		$size = ProxyUtils::PIXEL_LARGE;
 		$sizetype = '';
 
 		// Look for filename in the arguments
@@ -203,23 +203,23 @@ class Proxy extends BaseModule
 
 			// thumb, small, medium and large.
 			if (substr($url, -6) == ':micro') {
-				$size = 48;
+				$size = ProxyUtils::PIXEL_MICRO;
 				$sizetype = ':micro';
 				$url = substr($url, 0, -6);
 			} elseif (substr($url, -6) == ':thumb') {
-				$size = 80;
+				$size = ProxyUtils::PIXEL_THUMB;
 				$sizetype = ':thumb';
 				$url = substr($url, 0, -6);
 			} elseif (substr($url, -6) == ':small') {
-				$size = 300;
+				$size = ProxyUtils::PIXEL_SMALL;
 				$url = substr($url, 0, -6);
 				$sizetype = ':small';
 			} elseif (substr($url, -7) == ':medium') {
-				$size = 600;
+				$size = ProxyUtils::PIXEL_MEDIUM;
 				$url = substr($url, 0, -7);
 				$sizetype = ':medium';
 			} elseif (substr($url, -6) == ':large') {
-				$size = 1024;
+				$size = ProxyUtils::PIXEL_LARGE;
 				$url = substr($url, 0, -6);
 				$sizetype = ':large';
 			}
diff --git a/src/Util/Proxy.php b/src/Util/Proxy.php
index 82e7db4f5..437b52e1e 100644
--- a/src/Util/Proxy.php
+++ b/src/Util/Proxy.php
@@ -37,11 +37,20 @@ class Proxy
 	/**
 	 * Sizes constants
 	 */
-	const SIZE_MICRO  = 'micro';
-	const SIZE_THUMB  = 'thumb';
-	const SIZE_SMALL  = 'small';
-	const SIZE_MEDIUM = 'medium';
-	const SIZE_LARGE  = 'large';
+	const SIZE_MICRO  = 'micro'; // 48
+	const SIZE_THUMB  = 'thumb'; // 80
+	const SIZE_SMALL  = 'small'; // 300
+	const SIZE_MEDIUM = 'medium'; // 600
+	const SIZE_LARGE  = 'large'; // 1024
+
+	/**
+	 * Pixel Sizes
+	 */
+	const PIXEL_MICRO  = 48;
+	const PIXEL_THUMB  = 80;
+	const PIXEL_SMALL  = 300;
+	const PIXEL_MEDIUM = 600;
+	const PIXEL_LARGE  = 1024;
 
 	/**
 	 * Accepted extensions