How to get Ubuntu version number on the Wallpaper?

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http://askubuntu.com – I want to have Ubuntu Version name on my Desktop Wallpaper same as we have at login screen (LDM greeter) of UBUNTU 12.04LTS at bottom. I want the same way on my desktop wallpaper on opposite side (left of screen). with same font and same style that unity-greeter has. Anyone knows how to get UBUNTU Version name on Desktop alike UNITY Greeter ? (HowTos)