Index: src/views/partials/post-tile.ejs
===================================================================
--- src/views/partials/post-tile.ejs	(revision 476d6e7bb1352031dec41407d91c16837efa540b)
+++ src/views/partials/post-tile.ejs	(revision 2a1044514fb6dd87ad43ab100954639ef3720d11)
@@ -7,4 +7,15 @@
 const _isBoost = !!post.isBoost;
 const _hasCover = !!post.cover_image_url || !!post.cover_video_url;
+// A C2S post carries its media IN the content (a cover next to it showed the
+// video twice on the post page). The tile derives its picture from the
+// content instead, like the Cirkel card: first <video> (with its poster) or
+// first <img>.
+let _cVideo = null, _cPoster = null, _cImg = null;
+if (!_hasCover && post.content) {
+  const vm = String(post.content).match(/<video[^>]*\ssrc="([^"]+)"[^>]*>/i);
+  if (vm) { _cVideo = vm[1]; const pm = vm[0].match(/poster="([^"]+)"/i); if (pm) _cPoster = pm[1]; }
+  else { const im = String(post.content).match(/<img[^>]*\ssrc="([^"]+)"/i); if (im) _cImg = im[1]; }
+}
+const _showCover = _hasCover || !!_cVideo || !!_cImg;
 const _typeLabel = (post.type && post.type !== 'post') ? post.type : '';
 const _src = post.source_name || '';   // bron-site (cirkel-feed: van welke site komt deze post)
@@ -14,10 +25,10 @@
 const _ext = !!_external;
 %>
-<a class="grid-tile<%= _hasCover ? '' : ' grid-tile-gradient' %><%= (_isPinned || _isBoost) ? ' is-pinned' : '' %><%= post.nsfw ? ' nsfw-media' : '' %>"
+<a class="grid-tile<%= _showCover ? '' : ' grid-tile-gradient' %><%= (_isPinned || _isBoost) ? ' is-pinned' : '' %><%= post.nsfw ? ' nsfw-media' : '' %>"
    href="<%= _href %>"
    style="--tile-hue: <%= _tileHue %>;"
    <% if (_ext) { %>target="_blank" rel="noopener"<% } else { %>hx-get="<%= _href %>?partial=1" hx-target="#pcms-main" hx-swap="innerHTML" hx-push-url="<%= _href %>" hx-indicator="#pcms-loading"<% } %>>
 
-  <% if (post.cover_image_url) { %><img class="grid-tile-img" src="<%= thumb(post.cover_image_url, 480) %>" alt="" loading="lazy" decoding="async"<% if (post.cover_video_url) { %> data-ios-mp4="<%= post.cover_video_url %>"<% } %>><% } else if (post.cover_video_url) { %><video class="grid-tile-img" src="<%= post.cover_video_url %>" poster="<%= thumb(post.cover_video_url, 480) %>" autoplay loop muted playsinline></video><% } %>
+  <% if (post.cover_image_url) { %><img class="grid-tile-img" src="<%= thumb(post.cover_image_url, 480) %>" alt="" loading="lazy" decoding="async"<% if (post.cover_video_url) { %> data-ios-mp4="<%= post.cover_video_url %>"<% } %>><% } else if (post.cover_video_url) { %><video class="grid-tile-img" src="<%= post.cover_video_url %>" poster="<%= thumb(post.cover_video_url, 480) %>" autoplay loop muted playsinline></video><% } else if (_cVideo) { %><video class="grid-tile-img" src="<%= _cVideo %>"<% if (_cPoster) { %> poster="<%= _cPoster %>"<% } %> autoplay loop muted playsinline preload="metadata"></video><% } else if (_cImg) { %><img class="grid-tile-img" src="<%= _cImg %>" alt="" loading="lazy" decoding="async"><% } %>
 
   <% if (_typeLabel) { %>