Changing the picture displayed when you log into your system is not an option Windows OS is ready for, but Logon Screen has been created for exactly this purpose. Logon Screen is one way to easily modify the background of the logon screen.
LepideAuditor for Active Directory is an amazing tool to audit all active directory changes made on user accounts. This tool provides complete visibility of who is doing what to which content and when this was done.
RA Google Position Reporter is a free tracking tool used to track your Google Keyword Search Position. Google Position Reporter will run all your keyword and find your website search position rank on Google.com.
With InstantLogonChanger always have your Windows 7 logon background the same as your Desktop wallpaper or set it to any other image or color without any security prompts or changing system files.