You know what, Mike, I've never before noticed that DONE button on the right!! (Well actually I probably have - to be honest, it looks a little like it's attached to the top UPLOAD section and wouldn't affect the thumbnails below the grey rule) I'd always used the bottom DONE button. But in any case just tried it and yeah problem solved. If I can use that then yes sure it doesn't matter about the size of the window. I will close the case. Thanks for your help. Julian