I spent some time on YouTube and I found some cool Lost-video's:

Maggie's Audition Tape:
http://www.youtube.com/watch?v=ridlnL-p5Ls

Behind the Scenes with Driveshaft:
http://www.youtube.com/watch?v=GcifRZSSbOg

And the season 1 blooperreel:
http://www.youtube.com/watch?v=uh-vzHsHuFQ