How to change Launchpad background on Mac OS X Lion

When entering Launchpad, the default background is a blurred out version of your desktop wallpaper. However, Apple has provided a way to slightly change this to your liking. Here's how to change the background of Launchpad on OS X Lion slightly:

To change the background, first enter Launchpad. You can do this by clicking the icon in your Dock, pinching with three fingers if you have a multitouch trackpad, or finding the Launchpad application in your Applications folder. Once in Launchpad, click the Command key (⌘) and the "B" key on your keyboard simultaneously. You should notice the background change to something slightly different every single time you press the B key (be sure to keep holding the Command key).

The options are: