This program removes the 2 px line on the top of Windows 7 taskbar.
Here: http://www.sevenforums.com/free-developer-programs-projects/321184-shybar-automatic-windows-7-taskbar-hider.html

This program hides the Windows 7 Taskbar, but keeps the Start Button.
Here: http://www.sevenforums.com/free-developer-programs-projects/64093-shellwin.html

This program hides "Show Desktop" button at the end of the Windows 7 Taskbar.
Here: http://www.thewindowsclub.com/remove-and-restore-show-desktop-button-with-showdesktop-remover

This one saves Windows Explorer window sizes & locations.
Here: http://www.sevenforums.com/free-developer-programs-projects/40916-shellfolderfix-manage-folder-window-positions-size.html

This one toggles the blur on/off behind the Windows 7 Aero taskbar.
Here: http://dblake1.deviantart.com/art/Taskbar-Blur-Toggle-0-2-0-412358153

These are some free-bees I use for a cleaner multi-monitor desktop and thought others may be interested.

Regards;

Sarris