see also: Painter (software)
close up of leaves, photos of leaves.
Essaysuggestions - http:/itchstudios.com/psg/art_tut.htm
Creating an Expressive Bristle Brush
Linda’s tutorials: http://www.furiae.com/index.php?view=gallery
converting papers from mac to pc
http://conceptart.org
http://mattepainting.org
http://cgtalk.com