diff --git a/trailer.html b/trailer.html
index ca0fc62..764a700 100644
--- a/trailer.html
+++ b/trailer.html
@@ -853,13 +853,16 @@
   // picture is what the shot is filmed from, so a fault here is inherited by
   // the film and cannot be fixed by filming again.
   function frameFaultHtml(s) {
-    if (!s.opening_url || s.clip_url) return "";
+    // Why the last attempt at these pictures failed, in words - an author
+    // looking at an unchanged frame otherwise concludes the button is broken.
+    var err = s.draw_error ? '<p class="cont" style="color:#b4531f">' + esc(s.draw_error) + '</p>' : "";
+    if (!s.opening_url || s.clip_url) return err;
     if (s.fixing || s.drawing)
       return '<p class="busy">Redrawing this scene\u2019s pictures from your note\u2026</p>';
     return '<div class="ffault"><input type="text" id="ff-' + esc(s.id) + '" maxlength="400" '
       + 'placeholder="Something wrong with this picture? Say what you see \u2014 \u201cit should be night\u201d, '
       + '\u201cthere should be nobody else in the garden\u201d\u2026">'
-      + '<button type="button" class="btn go" data-ffgo="' + esc(s.id) + '">Redraw &middot; $0.16</button></div>';
+      + '<button type="button" class="btn go" data-ffgo="' + esc(s.id) + '">Redraw &middot; $0.16</button></div>' + err;
   }
 
   // WHO IS IN THIS SCENE, as they look in it. This is where an author changes