These ebuilds come from http://www.calculate-linux.org.
If you have some problems, go to the official site first.
calculate-wallpapers : Wallpapers for Calculate Linux ( http://www.calculate-linux.org/packages/media-gfx/calculate-wallpapers )
dm-themes-calculate : Wallpapers for Calculate Linux ( http://www.calculate-linux.org/packages/media-gfx/dm-themes-calculate )
grub-splashes-calculate : Grub splashes for Calculate Linux ( http://www.calculate-linux.org/packages/media-gfx/grub-splashes-calculate )
kdm-themes-calculate : Kdm theme for Calculate Linux ( http://www.calculate-linux.org/packages/media-gfx/lxdm-themes-calculate )
plymouth-themes-calculate : Plymouth themes for Calculate Linux ( http://www.calculate-linux.org/packages/media-gfx/plymouth-themes-calculate )
syslinux-themes-calculate : Syslinux background for Calculate Linux ( http://www.calculate-linux.org/packages/media-gfx/syslinux-themes-calculate )
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