The debian.tryphon.org repository provides various Debian packages.
You need to add to your /etc/apt/sources.list file one of these lines (according to your debian release) :
For stable :
deb http://debian.tryphon.org stable main contrib deb-src http://debian.tryphon.org stable main contrib
For testing :
deb http://debian.tryphon.org testing main contrib deb-src http://debian.tryphon.org testing main contrib
For unstable :
deb http://debian.tryphon.org unstable main contrib deb-src http://debian.tryphon.org unstable main contrib
For ubuntu/hardy :
deb http://debian.tryphon.org hardy main contrib deb-src http://debian.tryphon.org hardy main contrib
For ubuntu/intrepid :
deb http://debian.tryphon.org intrepid main contrib deb-src http://debian.tryphon.org intrepid main contrib
The repository is signed with the Tryphon Debian Packagers key (Key fingerprint = FE49 DB75 D82D 6E92 B8E3 6112 D080 CEF3 C6AD BBD5).
To use this key in your apt client :
wget -q -O - http://debian.tryphon.org/tryphon-debian-packagers-public.asc | sudo apt-key add -
See the debian packages category of the Tryphon blog.
Debian files of these packages are available in the [http://svn.tryphon.org/debian/ svn.tryphon.org] Subversion repository.