The premise: Jesus and Mohammed share a bed (but they don't have sex) and hang out at a pub with a sarcastic atheist barmaid. It's deliciously blasphemous. A sample:
Go read them all; the first one (from November of 2005) is here and there's lots of them. Most are pretty funny. If you're really uptight, you'll probably want to invoke a curse or call a fatwa against me. I can live with that.