Based on the tags from this post.
Animated GIF Backgrounds in CSS
This could be a useful feature to have: background animated GIF's [...]
Article on animated PNG's, link via Anne van Kesteren. [...]
Animated 3D Multiple Lens Photographs
I've never seen photos like these before... and it very cool they are too. I particularly like the bus and dancing music shop. [...]
There's a blog worth reading at JWZ... good comments, including the animated gif. [...]