If you’re into free and useful stuff, you’ll love Inkscape.
Also, if you’re an artist, and have a collection of your art that you’d like to turn into clip art or other computer art, look no further than Inkscape. Oh, and you’ll need a scanner. Almost every printer out there is a combo printer/scanner, so you should have a scanner or at least know somebody with a scanner.
Here’s an image I scanned:
I then imported the image into Inkscape.
Using the “Trace Bitmap” feature, the pic is transformed into a native SVG graphic. Once it’s in SVG format, you can edit the heck out of it and improve the graphics. With a little messing around