A menu for different brush sizes would be rather awesome - and a way to make a custom brush, perhaps? I wouldn't mind having a diagonal single-pixel width brush for some things. :D
why do all of you guys say it can't? It DOES. You have a keyboard right? k. [ and ], [ to enlarge, ] to make smaller will work, but not exact. SHOOT THIS WAS A NECRO> WOOPS >:l