gistfile1.txt

iris - the ultimate image editor for mac os x
http://nolobe.com/iris/

acorn - the image editor for humans
http://flyingmeat.com/acorn/

Pixelmator - Mac OS X Image editor for the rest of us.
http://www.pixelmator.com

ChocoFlop - Non-destructive image editing for your mac
http://www.chocoflop.com/

Picturesque - Make Images Gorgeous
http://www.acqualia.com/picturesque/

Vector Designer - Simple. Intuitive. Powerful.
http://www.tweakersoft.com/vectordesigner/

Intaglio  - Complex drawing made simple.
http://www.purgatorydesign.com/Intaglio/

lineform - Easy and affordable vector drawing for your Mac
http://www.freeverse.com/apps/app/?id=6020

draw it - simply draw it.
http://www.bohemiancoding.com/drawit/index.html

EazyDraw - Simple enough for a beginner yet powerful enough for the professional. 
http://www.eazydraw.com/