If you have been so unfortunate to not know of the brilliant Tim Minchin, here is a recent song of his. The animation is good too. I especially like how the black priest has a bigger willy than the others. And yes, I noticed. Frankly, if that doesn't make you want to watch it, I don't know what would.
If you've actually never heard any of Tim Minchin's creations, here are a couple of videos to bring you up to speed: