These ebuilds come from http://moving-innovations.com/blog/.
If you have some problems, go to the official site first.
flvtool2 : a manipulation tool for Macromedia Flash Video files (FLV). ( http://rubyforge.org/projects/flvtool2/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org