And don't tell me about that ugly hack. Not only does do horrid things to desktop icon labels, but Explorer crashes sporadically after installing it.
Here's an idea Microsoft: If you think DreamScene was a waste of system resources, why not let it live as a screensaver? Is there a decent video screensaver app?
The Bing team keeps churning out animated backgrounds using HTML5 once in a while to tease you and make you jealous but you can't have that experience on your desktop because MS likes to dictate what you can use and remove any feature at any time, not caring a damn about users.