Take a look http://www.gamesas.com/topic/24-comprehensive-tutorial-and-useful-link-list/ as well. The Build a House tutorial by Calislahn (under General Construction Set Tutorials) might be the best place to start if you have no experience whatsoever. Otherwise, if you've figured out the basics (took me two weeks to figure out how to load an .esp when I started
), as Slaanesh said, the best way to learn is to start playing with the CS and see what happens.