Okay, okay, I get it: a lot of people can't see the stereograms! I will definitely warn you about it on the cache page and I like the idea about adding extra copies in case anyone needs to take it home. I'll do that too. I just didn't realize THAT many people can't see them. I wear contacts with a pretty strong prescription, I have a slight astigmatism but I can see stereograms in about 3 seconds, so I thought only very few can't see them. I may even consider hiding something else nearby that's harder to find, but offers the coordinates so one can try either way. Thanks for the good ideas.