This is where I started.  Byron wrote it for PS 5 but you'll get the idea.  He has three tutorials in the MP here but you'll only need the one on the unimesh to get the gist of it.

http://www.renderosity.com/mod/bcs/index.php?vendor=9497

Hugz from Phoenix, USA

Victoria

Remember, sometimes the dragon wins. Correction: MOST times.