go: SM has some excellent tutorials, and for the rest, .... well I can't say more than google. I know you are looking for free tut's, but buying points here is very much worth it... You won't be disappointed if you do :p
SimplyMaya specialises in Maya tutorials. We offer over 1,000 individual Maya training videos, ranging from basic Maya tutorials through to intermediate Maya tutorials. Our tutorials are created by instructors with industry experience and are designed to get you up and running in Maya quickly without making it seem like hard work.