I thought this might make a nice project...
[youtube=425,350]http://www.youtube.com/watch?v=heGlB2Hj40k[/youtube]
[youtube=425,350]http://www.youtube.com/watch?v=9z4cyIgeF7E[/youtube]
[youtube=425,350]http://www.youtube.com/watch?v=NL5XeQ3TtVM[/youtube]