To use, add the relevent line for your distribution to /etc/apt/sources.list and apt-get update.
deb http://debian.o-hand.com etch/ deb http://debian.o-hand.com unstable/ deb http://debian.o-hand.com edgy/ deb http://debian.o-hand.com feisty/ deb http://debian.o-hand.com gutsy/ deb http://debian.o-hand.com hardy/