A new tag has entered the realms of internet browsing: CANVAS! With the canvas tag, people are now able to generate images in HTML! Not all browsers support it, but they probably will at some point. The point is, I've been experimenting a little with it, and to my delight it's actually pretty easy to work with. If you see something in one of my experiments that you like, feel free to copy-paste. Consider it free software.
Your browser doesn't support use of the canvas tag. I haven't included error detection in my experiments, so your browser is likely to show an error. Browsers that support canvas include Firefox, Opera and Safari.

Here it is:

Hopefully your browser won't crash..