Better lighting with one-light setup?

[budskiphotography]

light stand, umbrella adapter, shoot through white umbrella - $55.

This guy is all about a one light setup:
http://www.zackarias.com/

ha I was just finishing listening to an interview with him... almost tempted to get his dvd now

[ame]http://www.youtube.com/watch?v=jm1puuyojiE[/ame]