finding tone in your drawings

http://sevencamels.blogspot.com/2010/09/quick-primer-on-values.html

http://sevencamels.blogspot.com/2012/01/tones-values-and-using-them-and-your.html

http://evanerichards.com/2012/2794

http://evanerichards.com/2012/2789

http://evanerichards.com/2012/2736