By the way, I don't encourage killing babies...:)
And the song is "Black Pearl" from Pirates of the Carribean. The images were all found on google image search engine and the spell sound effect was found on flashkit.com and the voices and characters were all done by meh. And if you thought this one was funny, you should watch "Halloween Boy", I'll do another if enough people request one.
Edit March 2nd, 06: Now with higher quality audio