>>2448432After some digging around, it seems that the person responsible for creating these images (first uploaded back in 2005) has been found.
http://ripped-saurian.tumblr.com/post/166051984150/ripped-saurian-ripped-saurianThe person has also reinstalled Photoshop and is making more animations. They say that they have been motivated from their idol artist's admiration for his animations.
This is his Twitter, where he is constantly posting updates:
https://twitter.com/Cheshire_CadAnd where this image (a work-in-progress, as he states), comes from. (I've also up-scaled this one.)