Alpha Editing

I have been having a lot of alpha problems with my skin and i was wondering what free image editors have alpha editing..id like to know what tool to use and how to alpha stuff.
Thanks,
Kyrouge

Aw come on anyone?

i think that is warez and is prohibited from this site

dont double post so someone goes to your thread....
get paintshoppro or photoshop....when your trial runs out...who knows...crack maybe?
cough*kazaa*cough