A simple fractal animation I did several years ago. Also, this is where my avatar came from.
Like clockwork, the earth spins, over itself, around the sun.
Like clockwork, the sun burns and radiates non-stop.
Like clockwork, the heart thumps the chest.
No clock ticks unpunished.
87 frames, made with Apophysis, resized and animated in GIMP.
11/11/05 Edit: Merged first and last frames for better loop (they're 84 frames now), uploaded larger file.
This particular work is public domain, free to use, modify and distribute.