I thought this video was pretty cool:
[video=youtube;17aGy0-zxiM]http://www.youtube.com/watch?v=17aGy0-zxiM[/video]
Part II: http://www.youtube.com/watch?v=wFSsfceNBZg
[video=youtube;17aGy0-zxiM]http://www.youtube.com/watch?v=17aGy0-zxiM[/video]
Part II: http://www.youtube.com/watch?v=wFSsfceNBZg