You can install it on you system now, testing only!

Required dependencies:
    1. PyWebkitGtk (sudo apt-get install python-webkit)

If bazaar not installed, run in terminal
    sudo apt-get install bzr

And finally:
    mkdir -p ~/.gnome2/rhythmbox/plugins/
    cd ~/.gnome2/rhythmbox/plugins/
    bzr branch lp:rhythmbox-plugin-vkontakte
    ln -s rhythmbox-plugin-vkontakte vkontakte
    rhythmbox

Then activate module "Vkontakte.ru" in Rhytmbox

For updating:
    cd ~/.gnome2/rhythmbox/plugins/rhythmbox-plugin-vkontakte
    bzr pull