Text Generator.
Screentones on deviantART. Hundreds of Free Books on Art. This is a great post I mirrored from Conceptart.org for you guys to take a look at.
It's a bunch of (legally free) art e-books that cover a wide spectrum of subjects. Have a look and read a few, alot of them are fantastic, some of them, not so much. Blambot - Comic Fonts and Lettering. Reference. Tutorials. GIMP.