I don't know much about the Swamp Donkey, but I do know that I love his work. He's got loads of great drawings and photography. I really enjoy his wild style and repetitive use of horns/tusks.
Link credit: You can also see some great stuff from Alice Saunders guest post on MyLoveForYou.See More »
Take a look at the collaborative efforts of Damien Gosset and Carole Mauret, both from Paris, France. Put a photographer and an illustrator together and you get a fun set of sharpie-altered Polaroids. What a wonderful way to "deface" a picture.