New
http://www.jacksonpollock.org/ for fun
http://www.mrpicassohead.com/create.html for cartooning or fun
http://www.garyharbo.com/draw3/cartoon3.html cartoon duck
A step by step instructions for different creatures
Face maker : Practice putting faces together- different expressions, etc
http://www.nga.gov/kids/zone/collagemachine.htm this is cool - fun too
http://www.zefrank.com/scribbler/ for fun but artzy and ok
http://www.artjunction.org/whatif.php could spur ideas for their cartoons
http://artpad.art.com/artpad/painter/ fun painting site