vim /etc/apt/source.list deb http://ppa.launchpad.net/bisigi/ppa/ubuntu karmic main deb-src http://ppa.launchpad.net/bisigi/ppa/ubuntu karmic main gpg --keyserver hkp://keyserver.ubuntu.com:11371 --recv-key 881574DE && gpg -a --export 881574DE | sudo apt-key add - apt-get install zgegblog-themes
http://www.ubuntugeek.com/nice-themes-for-ubuntu-9-10-karmic-users.html