check this out for starters
http://www.simplylightwave.com/movie...mhtml?tut_id=8
then there is a good coffe cup tutorial here
http://www.simplylightwave.com/movie...mhtml?tut_id=9
that should get you going, then as suggested by former poster, start out by modellig easier objects at first, modelling heads or any other organic objects for that matter is imo the most difficult to model.