RETRIEVR
Another blast from pickings past, retrievr is an experimental image search tool that uses color recognition to retrieve Flickr images that reflect the spatial color arrangement of a digital sketch you draw on a canvas.
"Drawing For Children
Written by Mark Overmars
Drawing for Childen is a free drawing program for children with many nice options. You can draw with many different pens, you can put stamps on your drawings, create all sort of text effects, and much more. The program is suitable for very young children and has a child mode especially for them. But it also provides lots of fun to older kids. It is used by hundreds of thousands of kids all over the world. The best way to see what is possible is to simply download it and install it. Remember, it is free. "
Pencil is an animation/ drawing software for Mac OS X, Windows, and Linux. It lets you create traditional hand-drawn animation ( cartoon ) using both bitmap and vector graphics. Pencil is free and open source. it requires download.