New Atheist Blogroll member Humanistische denktank has an interesting section called Quilt of Offensive Arts (NSFW). You’ll need to translate the captions, but it is worth the effort. It’s funny though, the one piece that is sure to get you fired in the USA is hanging on the wall of the Musée d’Orse. I’ve seen it myself.
If you enter the museum for Offensive Art, you are at risk of being offended. Nobody compels you to enter...