Yes....that's right. Who thought it would be sooo easy to skin.
It's as simple as replacing the images in Program Files/Stardock/Impulse/Skins/Images* (3 folders) and editing font colors in the skin.xml. So easy even *I* could do it!
TIP: When Impulse updates, it
WILL overwrite all the original images that you changed. Take a tip
from Snowy and rename all your modified images (I just added [s] to the
end to know they're mine) and then update the changed image names in
the skin.xml and save a copy somewhere, so when Impulse updates, all you
need to do is replace the skin.xml. I just tested it and worked great.
(Impulse updated and it was green again, gah!)
So let's see your skinned Impulse.

Mine (just some basic recoloring and changed the back.jpg):