The 2nd part of the tutorial is now up. It covers assigning vertices to bones. I think you can only assign one vertex to a bone with the current implementation in 3DGS, so keep that in mind:

http://binarypictureshow.com/site/staticpages/index.php?page=20050220201625232

Tutorial part 1 can be found here. It covers bone creation and placement: http://binarypictureshow.com/site/staticpages/index.php?page=20050215083136858

A 3rd part is on the way and will cover animation.