Spot Draves, the guy behind Electric Sheep and numerous other things Fractal, has just put 3 videos online for free download. If you like fractals, this is going to give you goosebumps.
http://www.archive.org/details/HighFidelityDemo
A 1080P high def animation.
http://www.archive.org/details/FeXIV (previously unreleased, 2.5GB
high quality flame animation set with modern music, more than 12
minutes long)
http://www.archive.org/details/StarOasis (this is an old one but
previously only available by bittorrent, only 100MB, 5:40 playtime)