gnome-icon-theme-symbolic : GNOME 2 symbolic icon themes ( http://www.gnome.org/ )
gnome-themes : A set of GNOME themes, with sets for users with limited or low vision ( http://www.gnome.org/ )
gtk-engines : GTK+3 standard engines and themes ( http://www.gtk.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a rubenqba
For Paludis use this rsync : rsync://gentoo.zugaina.org/rubenqba-portage
If you have a problem : ycarus(-at-)zugaina.org