MyUnity is a tool for Ubuntu that allows to easily customize the Unity interface that comes with both Ubuntu 11.10 and Ubuntu 11.04. With MyUnity, you can adjust the launcher's size, transparency, dash blurring effect, enable/disable panel, customize Ubuntu font, etc.
To install MyUnity on Ubuntu 11.10/11.04, open the terminal and issue these commands:
sudo add-apt-repository ppa:myunity/ppa
sudo apt-get update
sudo apt-get install myunity