Unsettings is a graphical configuration program for the Unity desktop environment that lets you change some oft the Unity settings. Besides ubuntu tweak, Unsettings is a good alternative for MyUnity.
Unsettings 0.0.8 was released few days ago, it works on Ubuntu 12.10 Quantal, Ubuntu 12.04 Precise, and Ubuntu 11.10 Oneiric.
Install Unsettings 0.0.8 in Ubuntu:
You can directly download the .deb package of Unsettings from the link blew, and double click on it to install via software center:
Or, hit Ctrl+Alt+T to open up a terminal window, run following commands one by one to install Unsettings from PPA:
sudo add-apt-repository ppa:diesch/testing
sudo apt-get update
sudo apt-get install unsettings