Dreamscene is a must if you want to have beautiful desktop. Basically, it’s a windows integrated video wallpaper manager. However, Microsoft buried this wonderful piece of software due to resource consumption. It was meant to use the GPU, not the CPU. But, lazy nvidia and others didn’t update their drivers.
To activate dreamscene:
The Fix CPU usage:
Convert your video to using MPEG-1 codec, then rename it to .AVI. that it!
I use to convert, it lets you chose the codecs,