chokolate : a smooth, clean and chocolate coloured theme ( http://narf41.deviantart.com/art/choKolate-149537424 )
openbox-themes : Collection of Openbox themes ( http://wiki.archlinux.org/index.php/Openbox#Openbox_Themes )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a benf
For Paludis use this rsync : rsync://gentoo.zugaina.org/benf-portage
If you have a problem : ycarus(-at-)zugaina.org