Perhaps check out http://teamtreehouse.com/library/the-treehouse-show/episode-4-lamp-on-mountain-lion http://teamtreehouse.com/library/the-treehouse-show/episod

Perhaps check out http://teamtreehouse.com/library/the-treehouse-show/episode-4-lamp-on-mountain-lion http://teamtreehouse.com/library/the-treehouse-show/episode-... as a jumping off point.. if you're on a Mac