The "cartoon" that was pointed out by imam Ahmed Akkari as one of the most offensive turned out to be a blurred news picture from a contestant in a french pig squealing contest! The comparison of the two images was published on february 6, 2006 by a newsblog called NeanderNews. This is still the best place to get an overview of this surrealistic misunderstanding.
Since that publication many news media have picked up on the story. Only very few mention that it was a blogger that had the skoop on this story. They all credit AP and many mention the name of the comedian in the original photo and obscure details of the pigfest that hosted the squealing competition. They just don't mention the blog that discovered it for them. Interesting... Maybe it's because Neandernews is a very right wing biassed blog?