I've just uploaded a new version of Swirls, mysteriously named Swirls 2. You can now change the color of your line, toggle fullscreen mode and download your swirl as an image. Here's a sample of the eyesores I've created with it:

And the grand finale (click for the full retina-scorching glory):

Also, I've moved a bunch of the flash things which were not really games from the Games section to the new Experiments section.