foomatic-db : Printer information files for foomatic-db-engine to generate ppds ( http://www.linuxprinting.org/foomatic.html )
foomatic-db-ppds : linuxprinting.org PPD files for postscript printers ( http://www.linuxprinting.org/foomatic.html )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ambasta
For Paludis use this rsync : rsync://gentoo.zugaina.org/ambasta-portage
If you have a problem : ycarus(-at-)zugaina.org