Hi, I am on version Zenphoto 1.4.3.4 [10988] (Official build) and encounter a strange behaviour with the Stopdesign theme: If I remove the thumbs cache, all my galleries show normal - the first time. But when I revisit a gallery, some of the only show empty thumbs (some=some galleries show none, some show al). The Default theme seems to work fine. Any ideas what this could be?
Thanks so much
Mercator

Stopdesign uses a "background image" to show the thumb, so maybe that is not working unless the image is cached. Do you by chance use the HTML cache? If so you might try disabling it.