It seems to be most of the older thumbnails.... it may just be pixilation of those, but I'll have to take down the forum to test this. At least the links work. Methinks I'll work on this come Saturday morning unless something else crashes. There's also a new iteration of the forum I may upload at the same time.
In the interim, I HAVE run a program to identify the "corrupted" photos, most of which go back years; methinks I'll delete them at the same time and see if that helps. There aren't that many considering we have over 20,000 images online...
Thanks for bringing this up.
G.