grub2-matrix-theme : Grub2 matrix theme ( http://kde-look.org/content/show.php/matrix+theme+for+grub?content=151010 )
stylish-dark-theme : Stylish Dark Grub2 Theme ( http://gnome-look.org/content/show.php/Grub-themes-stylishdark?content=169955 )
tuxkiller-grub2-theme : Tuxkiller V2 Grub2 Theme ( http://kde-look.org/content/show.php/Grub2+Theme+Tuxkiller+V2?content=169523 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a open-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/open-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org