This is part four of a list for learning on the internets that was posted to 4chan's
/ic/ board. This is various tutorials that was posted.
Painting clouds:
http://www.androidblues.com/cloudtut.html
Tutorials by Katie Lee De Sousa:
http://www.deviantart.com/deviation/34562471/
http://www.deviantart.com/deviation/34563239/
Tutorial page by Natascha Roeoesli:
http://tascha.ch/?page_id=21
Tutorial page by Roberto Campus:
http://www.robertocampus.com/tutorials.cfm
Tutorials by Stephanie Pui-mun Law (all traditional):
http://www.shadowscapes.com/StepByStepFoxSpirits/wc.shtml
http://www.shadowscapes.com/StepByStep/dryad.shtml
Traditional painting demonstrations.
http://www.burdicklyon.com/demonstrations.htm
http://www.williamwhitaker.com/B_HTML_files/07_demo/INDEX.HTM
Oil painting tutorial:
http://www.dandossantos.com/methods.html
"This has some pretty good tutorials, too, despite being on Deviant art."
http://chaosshattered.deviantart.com/journal/6836628/
Time lapse of a comic strip being made:
http://www.dagbladet.no/kultur/2007/04/25/498854.html
A library of hundreds of thousands of diverse pictures
http://www.photovault.com/
Many pictures of female hairstyles
http://womensbeautylife.com/gallery/
Figure drawing tutorial
http://www.deviantart.com/view/11939496/
Human anatomy drawing tutorial
http://www.deviantart.com/view/15014442/
Guide to drawing the "mongoloid" race
http://www.deviantart.com/deviation/32046017/
Guide to drawing the "caucasoid" race
http://www.deviantart.com/deviation/33220929/
Guide to drawing the "negroid" race
http://www.deviantart.com/deviation/34877428/
Guide to drawing facial expressions
http://www.deviantart.com/deviation/47118559/
Portrait drawing tutorial site
http://www.portrait-artist.org/
Some skeletal references
http://www.bio.psu.edu/people/faculty/strauss/anatomy/skel/skeletal.htm
Sources for Andrew Loomis's drawing books
http://www.saveloomis.org/
Proportions and anatomy drawing tutorial
http://www.blazedent.com/tutorial_1_3.php
Basic color theory tutorial
http://www.deviantart.com/view/14617828/
Basic hand drawing tutorial
http://www.deviantart.com/view/23565813/
Basic guidelines and tips for drawing female hands
http://www.deviantart.com/view/32471237/
Basic foot tutorial
http://www.deviantart.com/view/38271036/
Painting hair
http://tascha.ch/?page_id=86
Various painting tutorials
http://www.artrenewal.org/asp/database/contents.asp
TONS of fine art
http://www.furiae.com/index.php?view=gallery
A nice japanese site.
http://www.asahi-net.or.jp/~zm5s-nkmr/index.html
Tutorials for GIMP.
http://tutorialblog.org/gimp-tutorials/
Lots of nude galleries, B&W.
http://www.barenakedgallery.com/gallery.shtml