These ebuilds come from http://www.calculate-linux.org.
If you have some problems, go to the official site first.
calculate-sources : Calculate Linux kernel image ( http://www.calculate-linux.org )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a distros
For Paludis use this rsync : rsync://gentoo.zugaina.org/distros-portage
If you have a problem : ycarus(-at-)zugaina.org