This is a simple walk through. As usual I take no responsibility for anything that may or may not go wrong in any case.

Step 1: Open Terminal
Step 2: Type this command: sudo apt-get install gimmie

Now that you have Gimmie installed, here are the ways to get it setup for you:

Step 1: Right click on a panel
Step 2: Go to the search box and type in: gimmie
Step 3: Click add to panel.

There you go you now have a revolutionary new panel for Ubuntu 8.04