Cool idea. We have an address label on ours. People keep telling us "what a good idea". Which bemuses us a little seeing as it seems like the obvious thing to do..... but this really
is a good idea. I may steal it.
Of course it won't work until I (read besst) download the thousands of images and erase them from the camera -the finder would never get to the pertinent ones before they died of boredom from all the treasure hunt experiments and the occasional odd picture I take just to make beest say "WTF" when he's downloading them......