Learn photoshop....
Good outline article with loads of extra notes:
www.evolt.org/article/Separating_an_object_from_its_background/22/43914/index.html
( ,
Tue 18 Feb 2003, 11:46,
archived)
www.evolt.org/article/Separating_an_object_from_its_background/22/43914/index.html