These ebuilds come from http://ohnopub.net/~ohnobinki/gentoo.
If you have some problems, go to the official site first.
dell-1130n-driver : PPDs for Dell 1130n ( http://dell.com/support/drivers/us/en/19/DriverDetails/DriverFileFormats?DriverId=R264079%26FileId=2731111948 )
samsung-unified-linux-driver : Samsung's proprietary printer driver binaries known as UnifiedLinuxDriver ( http://www.samsung.com/us/support/downloads/ML-6512MD/XAA )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ohnobinki
For Paludis use this rsync : rsync://gentoo.zugaina.org/ohnobinki-portage
If you have a problem : ycarus(-at-)zugaina.org