I'm interested in learning to model/skin, but I have no idea how to start.

Yes, A potential new modeler. I really have no idea what to do, or what programs to use; I basically have no knowledge of how skinning/modeling is done. COuld anyone tell me how, or at least post links to a website that can?

Here are some beginners guides for XSI (which I personally dislike, but it’s free):

Startup:
http://www.hl2world.com/wiki/index.php/XSI_Beginner_Tutorial

Exporting (you should probably play around a bit with the program before attempting this):

Compiling:

There are tons of tutorials and guides out there, Google’s your friend.