If you are looking for avatars or images, here are some good places to look.
http://www.deviantart.com
http://www.elfwood.com
http://www.redubble.com
And for professional works, like Dorian Cleavanger and Larry Elmore:
http://www.imagenetion.com
I would also like to offer my services to customize avatars as well. I need the full size image, and if Pryde wants anything like a special board or graphic added, I can do that too.