Cloning this repository:

git clone git://gitorious.org/~okoski/maemo-6-ui-framework/okoskis-duitheme.git okoskis-duitheme
cd okoskis-duitheme

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

git remote add okoskis-duitheme git://gitorious.org/~okoski/maemo-6-ui-framework/okoskis-duitheme.git
git fetch okoskis-duitheme
git checkout -b my-local-tracking-branch okoskis-duitheme/master_or_other_branch