Command-line animations using ImageMagick

"There are three basic steps to making an animation. First you need an idea. Next, you need a set of images to run through in individual frames. You can get the images from your digital camera or your scanner or draw them using ImageMagick or the GIMP. Once you have these ready, all you need to do is to put them together into an animation."

http://www.linux.com/articles/46124