My skins are currently downloadable from the given links at SpiderOak.
For the foreseeable future I am not sure I will be maintaining them for 'public interest', or will be monitoring that they will remain available for downloading from those links.
So if anybody thinks it worth to download them and place them in some kind of other repository to assure some availability, please feel free to do so.
No hurries though, I'll keep an eye on it for a little while longer.
(the same goes for my screensavers and genres/sub-genres lists proposal)