Everyone can do it. Everyone can enjoy it.

Quit Finder

default write com.apple.finder QuitMenuItem -bool YES
killall Finder

By quitting your Finder, all the files scattered on your Desktop will be hidden. Those files will appear again as soon as you launch your Finder. Here is what the modified Finder menu looks like.

For detailed information : Quit Finder

Hidden Application

default write com.apple.Dock showhidden -bool YES
killall Dock

Hidden Application will become more translucent than the normal one and also its indicator will become dimmer.

For detailed information : Dock - Transparent Hidden Apps

Dock Modification

Modifying Dock, which is hot topic amongst Mac users as well as diggers, now is very easy to be done. If you're interesting, you can go to Dockulicious and download some customized Dock as well as the easy to use Application to change your Dock. I use Shiny Black Dock, which looks great with white background Application opened on top, for my Leopard.

RSS Visualizer

In Leopard, you can fulfill your daily desire to read all of your RSS with hands off your keyboard by using this cool RSS Visualizer Screen Saver.

How to get there?

1. Desktop ▸ Contextual Menu ▸ Change Desktop Background... ▸ Screen Saver ▸ Apple-RSS Visualizer
   or
2. Finder ▸ Applications ▸ System Preferences ▸ Desktop & Screen Saver ▸ Screen Saver ▸ Apple-RSS Visualizer

Icons Drawer

You will find this article on Stacks Overlays, which talks about adding drawer icon to the front of your stacking files, interesting.