Marcel Duchamp cracked the art world wide open when he mounted a urinal to the wall, signed it "R. Mutt" and called it art. Since then, anything's been fair game. Check out the subversive world of conceptual art.
Barbara Kruger
Jenny Holzer
http://creativetime.org/programs/archive/2005/holzer/index1.html
damali ayo
Dead Bug Funeral Kit
www.davidbarringer.com/bugkit.html
Free Art
