Ah...this should go in the graphics one, which seems to have moved to someplace I haven't seen yet lol
I pulled this list from another site I am on. Some links may be broken, but these sites are supposed to be based around photoshop. Hopefully they help.
edit: i think all of the links i posted were all tutorials.
edit2: ah ha! found the correct forum. all this moving around is making them get lost :P