displaylink-driver : DisplayLink USB Graphics Software ( http://www.displaylink.com/downloads/ubuntu )
evdi : Extensible Virtual Display Interface ( https://github.com/DisplayLink/evdi )
xf86-video-fbturbo : Better performing replacement for xf86-video-fbdev and xf86-video-mali ( https://github.com/ssvb/xf86-video-fbturbo )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a mrueg
For Paludis use this rsync : rsync://gentoo.zugaina.org/mrueg-portage
If you have a problem : ycarus(-at-)zugaina.org