Why so many hassle, this tool enable Dreamscene on file context menu with just 1 click:
http://www.thewindowsclub.com/windows-7-dr...ivator-released
It's cool, but the real problem is (not on resource concern) trying to find a nice video that is NOT repetitive. Most available out there are just few MB clips that repeat every 5 seconds... zzz...
animated background