What program are you most used to?

Maya

TurnipMurnip: While it might not have things specific to rigging for SL, Digital Tutors comes highly recommended by Maya users I know!

Online mesh courses - Create Mesh This guy is an old friend and his tutorials are excellent

they may cost a bit, but they're comprehensive and he has an inworld support group, plus there is the bonus of watching and following the vids as many times as you like

Thanks guys! I will check out both of those

Frank's Create Mesh courses are great and so are Digital Tutors. Frank definitely knows what he is doing and is teaching you a SL-specific workflow.

likes the blender avastar route, lotsa good support an vids, their is a blender plugin makes the controls like maya.