Cloning this repository:

git clone git://gitorious.org/~andyfitz/gnome-design/andyfitz-gnome-design.git andyfitz-gnome-design
cd andyfitz-gnome-design

Add this repository as a remote to an existing local repository:

git remote add andyfitz-gnome-design git://gitorious.org/~andyfitz/gnome-design/andyfitz-gnome-design.git
git fetch andyfitz-gnome-design
git checkout -b my-local-tracking-branch andyfitz-gnome-design/master_or_other_branch