Searching for cursors, I found out that a deviant named juanello00000 (
juanello00000.deviantart.com) has been taking other people's work and posting it under his account without permission. He's not even bothering to hide it -- a lot of the submissions have other people's names clearly marked on the preview pictures.
On one of the earlier submissions (one without another name on it), I spotted some cursors which had been made by other people. I posted a comment asking whether he had gotten permission from his fellow deviants to repost their stuff. A friend of his -- or possibly a sock puppet -- made a very rude reply telling me to shut up. When I checked the page, I found that all comments had been deleted... and I was banned from posting on any of this user's pages.
I reported the deviation to the admins as a permission issue. This was a few weeks ago. They still haven't gotten back to me.
So. I've made submitted a bunch more "report deviation"s, and also contacted all the artists I could find whose work has been stolen. Because really, this shit should not be allowed to stand.