for my reference and whoever is unfortunate enough to stumble here

Reference

http://www.conceptart.org/forums/
http://ctrlpaint.com/library/
http://www.youtube.com/user/Sycra/videos
http://chiseledrocks.com/main/musings/

Digital Arts
http://www.youthedesigner.com/2010/09/08/40-plus-digital-painting-tutorials-you-should-study/


Tumblr Reference

http://ibelievepracticemakesperfect.tumblr.com/
http://finaltrinity.tumblr.com/post/13163064364/art-references-tumblr-accounts - Master List

Public Domain Art Ebooks

http://matthewkinsey.com/reference-library-3
http://www.alexhays.com/loomis/

Figure/Gesture Drawing (potential nsfw)

http://artists.pixelovely.com/practice-tools/figure-drawing/
http://www.posemaniacs.com/