A couple of favorites around our house...
http://www.youtube.com/watch?v=I1VkMBi9vvw
http://www.youtube.com/watch?v=5gPLDw3RFdI&list=PLE98D71D6C27496A4
http://www.youtube.com/watch?v=G5oFfy6jzlk
http://www.youtube.com/watch?v=I1VkMBi9vvw
http://www.youtube.com/watch?v=5gPLDw3RFdI&list=PLE98D71D6C27496A4
http://www.youtube.com/watch?v=G5oFfy6jzlk