Many thanks to all of the people who run websites, post tutorials, stock, and brushes, and make the online art community such a wonderful place. Please show some appreciation and visit them.

Community
Deviant Art

Brushes
Gabriele Magurno
Pretty Brush
Angryblue

Stock
Deviant Art
Stock.Xchng
Dove-Stock
Wunlelo @ Abnormis
Abnormis
Lc-Stock
SmallFishStick-Stock
Black Heaven Stock
The Stock
AttempteStock
Shoofly-Stock

Inspiration
BreedArt
Domen Lombergar
Dubastic
Art and Ghosts
Mark Ryden