Pin a “Show Desktop” Link to the Task Bar in Windows 7

To create a short cut and pin it to the task bar in Windows 7 do the following:

1. Right-click on the Desktop and select New -> Shortcut.
2. Enter the following in the field labeled “Type the location of the item:”  %windir%\explorer.exe shell:::{3080F90D-D7AD-11D9-BD98-0000947B0257}
3. Click “Next” and name the shortcut and then click “Finish”.
4. Update the icon so that you will recognize it when you pin it to the task bar.  To do so, right-click on the shortcut and select “Change Icon”
5. Paste the following in the “Look for icons in this file”  %SystemRoot%\system32\imageres.dll
6. Select an appropriate icon and click “Apply” and then “OK”.
7. Right-click on the icon and select “Pin to Taskbar”.