Hi, I couldn't see a bug tracker, so apologies if this is a known issue, or in a FAQ, but on your demo page the album list usually loads with at least a couple of thumbnails missing for me: https://www.flickr.com/gp/jamiekitson/AdSWK4 https://www.flickr.com/gp/jamiekitson/rf16kh This is on Win7, FF35. Cheers, Jamie