How to create this "Leaf Energy" wallpaper

My fourth video wallpaper tutorial here. It about the striking looking "Leaf Energy" wallpaper shown above.
You get download the video from the link bellow:
If you are having issues with watching it online just use the command bellow to download it and watch it:
As usual everything you need to know is described in the tutorial, so all you have to do is follow it and get those two images (I've tarballed them in the archive bellow), which you'll have to use in later stage in the game.
My 2560x1600 PNG can be downloaded from Picasa:
And my XCF from UbuntuOne: