Like most things I do, this started out as the conscious decision not to do something.
Somebody jokingly asked "HarryBlank artpage when," and I said I'd feel like a giant poseur if I made one, and then I started mocking one up to see what I'd put on it and oh, my good heavens. I do have rather a lot of this stuff, don't I. So here we are.
Everything here is either already posted to the site and covered by licensing, or brand-new and entirely my own creation, CC 3.0.