These ebuilds come from http://git.overlays.gentoo.org/gitweb/?p=user/tbc.git;a=summary.
If you have some problems, go to the official site first.
broadcom-sta : Broadcom's IEEE 802.11a/b/g/n hybrid Linux device driver ( http://www.broadcom.com/support/802.11/linux_sta.php )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a tbc
For Paludis use this rsync : rsync://gentoo.zugaina.org/tbc-portage
If you have a problem : ycarus(-at-)zugaina.org