The id is responsible for our basic drives such as food, sex and aggressive impulses. It is amoral and egocentric, ruled by the pleasure-pain principle; it is without a sense of time; completely illogical; primarily sexual; infantile in its emotional development; will not take 'no' for an answer. (Thanks, Wiki.)
I know I've said it before, but it (obviously) bears repeating: Patrick Gannon's cut paper artwork is The Bomb. If you haven't, go check out his Flickr stream. If you already have, go look at it again. He posts new stuff pretty regularly, and it never hurts to go back and see the older stuff again.