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A guide to [http://www.omgubuntu.co.uk/2011/12/how-to-customise-unity-like-never-before Tweaking Unity by Georgi Karavasilev] explains how to do the following:* Unity Launcher placed at the bottom* Dark arrows for the launcher* The lack of backlit for the icons in the launcher* New icon for the Ubuntu button* New icons in the the Dash main windowInstall Bottom Launcher (as root or using sudo) add-apt-repository ppa:paullo612/unityshell-rotated apt-get update && sudo apt-get install unityshell-rotated libnux-1.0-0 compizconfig-settings-managerstart CompizConfig Settings Manager from the Dash, and enable the “Ubuntu Unity Plugin Rotated” and disable “Ubuntu Unity Plugin”.