I've already post a topic on this, but strangly, it was deleted by someone ... 
I've found a Wallpaper changer software which uses skins done by some great creators from community
The freeware version comes with a few skins i could identify (names have been changed, though i think, they have no permissions from authors to use them).
For example, Antares by treetog, Ketix by essorant, Azar by Apocalypse_67, Layout by Z71 are in the freeware version, but a shareware version called "Insane" is coming with a package of 125 skins:
I think that something should be done, though an admin of Wincustomize should verify that, and / or contact the skinners mentionned ...