Anthony's been doing most of the work himself, so I'm sure he'd like it if more people would join him in adding and expanding on the articles there. (And, let's be honest, I get a kick out of it too. ;) )
I have added some images to character pages there (including Abraham Thorn, Absalom Thorn, Ben Journey, Diana Grimm, and Alexanda) and will probably add more in the future.
There is also a more general Harry Potter fan fiction wiki: the Harry Potter Fanon Wiki. Anyone can add information from any fan fiction story there. You'll find my Hogwarts Houses Divided characters there, among many others.