
Customising my desktop has become quite a geeky hobby of mine. The above image (click for full size image) is my current desktop at work. I have a similar setup at home. The task bar is on auto-hide, though I have the
SlanXP2 theme installed.
Using
TweakUI I have removed all of my desktop icons - I just don't like them cluttering up my screen! So the key to navigating through programmes and folders is this little box down in the bottom right. I have this sitting over the top of all my other programmes, though I can click through everything bar the icons themselves.

This is a combination of two highly useful programmes. The time, system details and transparent black background are a customised version of the
Enigma theme for
Rainmeter. This is a highly customisable utility that sits in your system tray and provides all manner of information you might need.
The black icons is a customised version of
RocketDock. This features the
Stacks Docklet, which allows grouping of icons - as seen here, I have my Microsoft Office programmes under one icon.

This is only the beginning for your 133t h4xx0r5 out there, who go into far further detail, using
EmergeDesktop and
LiteStep and all manner of shell custom programmes.
There are all manner of sites out there to help you get or create your own wallpapers too. Try a few of the follwing:
Get hacking!