I'd probably start with the texture editor tutorials... that seems like the trickiest part for most people to get their head around. There are a couple of tutorials/videos here:
http://www.inivis.com/ac3d/tutorials/carbody/index.html
http://www.inivis.com/ac3d/tutorials...mall2.swf.html
http://www.inivis.com/forum/showthread.php?t=5027
Once you get the hang of the TCE in general, try looking here:
http://www.independentdeveloper.com/...rom_existing_3