This is similar to what the backports repository provides, After you add the repository, apt does not install anything from it by default. Instead, you have to

This is similar to what the backports repository provides, After you add the repository, apt does not install anything from it by default. Instead, you have to tell it to, e.g. apt-get -t squeeze-backports install "package" https://help.ubuntu.com/community/UbuntuBackports https://help.ubuntu.com/community/UbuntuBackports http://backports-master.debian.org/ http://backports-master.debian.org/