Colress also draws with his computer thingy.

Not sure what ya mean, but this must be one of those rookie mistakes I haven't researched about. I haven't really been experimenting nor researching as much as I should.

Everyone starts somewhere! I also assumed you were using Photoshop and I'm not sure what other programs would have similar options.

http://jemorris.blogspot.ca/2011/04/phot...acity.html
http://youtu.be/eaH_WlD_rP4?t=11m45s