Ubuntu notifications

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sudo add-apt-repository ppa:leolik/leolik 
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install libnotify-bin
pkill notify-osd

This installs a patched version of the notify-osd package. Then you will need to install the GUI configuration tool, to do this enter these commands one by one into a terminal window:

sudo add-apt-repository ppa:nilarimogard/webupd8
sudo apt-get update
sudo apt-get install notifyosdconfig
notifyosdconfig

From:

http://askubuntu.com/questions/128474/how-to-customize-on-screen-notifications