The Tweaks.com Logon Changer for Windows 7 provides an easy way to customize the logon screen background with just a few clicks. Simply download the free application, run it and a few clicks later your logon Screen will look something like this:
More information and download: http://tweaks.com/software/tweakslogon/ [5]
Links:
[1] http://linux.philosweb.com/drupal/category/it/software/software/os/microsoft
[2] http://linux.philosweb.com/drupal/category/it/software/os
[3] http://linux.philosweb.com/drupal/category/it/tweaks
[4] http://linux.philosweb.com/drupal/category/it/visualization
[5] http://tweaks.com/software/tweakslogon/