@antiphasis @elb they actually are jpegs. The attached photo was a screenshot to show what it looks like, hence the PNG. Here is a direct download for one of the JPEGs (9mb). https://dl.devinberg.com/f.php?h=1HaZxDGE&d=1
As I mentioned, the files were good 13 years ago. This is what they look like when opening them off of the flash drive they have been sitting on.
Just searched a little, it seems there are tools that may be capable of repairing damaged jpegs.
Here's a test - where 4 out of 5 tools failed: https://www.raymond.cc/blog/repair-and-fix-corrupted-images/
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