Art
http://forcg.com/
http://www.itchstudios.com/psg/art_tut.htm
http://www.imaginefx.com/-2287754330326480692/Workshops.html
http://www.elfwood.com/farp/index.html
http://www.henningludvigsen.com/index.php/henning/tutorials/
http://2darts.com/2dtuts/tutorials/75-most-wanted-digital-painting-tutorials/
http://www.3dm3.com/forum/articles.php?action=viewarticle&artid=113
http://2dgameartforprogrammers.blogspot.com/
http://www.derekyu.com/?page_id=218
http://manningkrull.com/pixel-art/walking.php
http://www.petesqbsite.com/sections/tutorials/tuts/tsugumo/