Heres 2 good youtube videos for you about Marty Clarke.
http://www.youtube.com/watch?v=U90uAXoW38w
http://www.youtube.com/watch?v=9cuny7rXiP8&feature=related
http://www.youtube.com/watch?v=U90uAXoW38w
http://www.youtube.com/watch?v=9cuny7rXiP8&feature=related