These ebuilds come from https://github.com/l29ah/booboo.
If you have some problems, go to the official site first.
freeimage : Image library supporting many formats ( http://freeimage.sourceforge.net/ )
libdts : library for decoding DTS Coherent Acoustics streams used in DVD ( http://www.videolan.org/dtsdec.html )
netpbm : A set of utilities for converting to/from the netpbm (and related) formats ( http://netpbm.sourceforge.net/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a l29ah
For Paludis use this rsync : rsync://gentoo.zugaina.org/l29ah-portage
If you have a problem : ycarus(-at-)zugaina.org