Videos to look at:

http://www.youtube.com/watch?v=UJqGbA2tLww&feature=related\
http://www.youtube.com/watch?v=iReY3W9ZkLU&feature=related
http://www.youtube.com/watch?v=DLopkYX5B54&feature=related
http://www.youtube.com/watch?v=QLCZW5rUBmM