When we switched servers, the information on the old server was copied to this one. However, not all of it was copied, including user avatars, images, and evidently watch lists. The reason for this, is that each individual element transferred required finding that location in the database, then testing the function to make sure that something wasn't messed up, and so forth. So it's not a corruption, but your user avatar wasn't transfered and you'll have to reupload it. We're sorry for the inconvenience, but we wanted to transfer quickly and were afraid of unforeseen errors arising.
The old server can be found here old.ponerpics.org