Changing the Windows 7 Login Screen is the second thing users love to do after changing wallpapers. How about getting Images for Login Screen from Picasa or Flickr or the featured images ? 7Logon Changer does exactly that. Once you install this it, all you need to do is search using tags or keywords and you will have the image preview before you. Right click and set it as Login Screen or you can set as Wallpaper also.
Similar applications which you can try :
- Logon Screen Rotator
- Automatic Login Screen Changer
- and Tweaks Login changer