Re-create the Show Desktop icon on the Quick Launch

The Show Desktop icon is not an ordinary program shortcut. If the icon is deleted, the procedure for re-creating the icon is not obvious. To manually re-create the Show Desktop icon, follow these steps:

1. Click Start , click Run, type notepad, and then click OK.
2. In Notepad, type the following text on individual lines:
[Shell]
Command=2
IconFile=explorer.exe,3
[Taskbar]
Command=ToggleDesktop
3. On the File menu, click Save As, and then save the file to your desktop as Show Desktop.scf

FURTHERMORE...
Use Windows Explorer to locate the following folders:
For Microsoft Windows XP Only :

C:\Documents and Settings\Username\Application Data\Microsoft\Internet Explorer\Quick Launch

Note Username refers to the account name where you want to put the icon.

Use the mouse to drag the Show Desktop.scf file to the Quick Launch folder.
Just one noted before end this post = you also can press Windows + D for Show Desktop shortcut key.

THAT'S ALL.