Cool, and you got a decent list started as well.
I think you should add the EI art to that list. I can't racall right now which ones the artist's corner is missing but I know there are still a few from the gogh EI and the Reve.
There is also some of the older banner art that was larger, but was cropped to make those banners. gaia used to have like these:
(sorry for the page stretch, but the images are from an internet webarchive)
But what i mean is gaia's earlier year's artwork.
jiggsaw art
there also seems to be some art missing from the zomg info page like the field concept drawings/paintings. Kind of personal, but could there maybe be added more concept art? I love the concept art sketches.
redface