The Junkie's Christmas - William S. Burroughs
Christmas Wrapping - The Waitresses
Father Christmas - The Kinks
Fairytale of New York - The Pogues
The Train - Celestial Navigation
Indian Giver - Squirrel Nut Zippers
Little Drum Machine Boy - Beck
Peace On Earth / The Little Drummer Boy - Bing Crosby & David Bowie
Dominick the Italian Christmas Donkey - Lou Monte
The Only Gay Eskimo - Corky and the Juice Pigs.
Man, I have over 300 Christmas mp3s backed up on CD. I'll add more as I remember.