             if let index = previewAttachmentPhotos.indexOf(previewAttachmentPhoto) {
                 return previewTransitionViews?[index]
             }
+
+        } else if let previewDribbblePhoto = photo as? PreviewDribbblePhoto {
+            if let index = previewDribbblePhotos.indexOf(previewDribbblePhoto) {
+                return previewTransitionViews?[index]
+            }
         }
 
         return nil


    private var previewTransitionViews: [UIView?]?
    private var previewAttachmentPhotos: [PreviewAttachmentPhoto] = []

    // MARK: Life Circle


                    mediaPreviewWindow.rootViewController = vc
                    mediaPreviewWindow.windowLevel = UIWindowLevelAlert - 1
                    mediaPreviewWindow.makeKeyAndVisible()
                     */
                }

            case .Audio:
