Cloning this repository:

git clone git://gitorious.org/dgplug_media_theme_change/dgplug_media_theme_change.git dgplug_media_theme_change
cd dgplug_media_theme_change

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

git remote add dgplug_media_theme_change git://gitorious.org/dgplug_media_theme_change/dgplug_media_theme_change.git
git fetch dgplug_media_theme_change
git checkout -b my-local-tracking-branch dgplug_media_theme_change/master_or_other_branch