Some right good ones in this collection
http://www.youtube.com/watch?v=Y5gSRo5IWkc (http://www.youtube.com/watch?v=Y5gSRo5IWkc)
http://www.youtube.com/watch?v=5ZynVvokCgk&feature=related (http://www.youtube.com/watch?v=5ZynVvokCgk&feature=related)
http://www.youtube.com/watch?v=qSOMI-kx6bA&feature=related (http://www.youtube.com/watch?v=qSOMI-kx6bA&feature=related)