We selected Center and clicked Change Now. Here we could set the size of image previews (which required a reboot) and change interval as well as whether to stretch or center images. We browsed to a folder and imported several dozen images into the program, and then clicked the Settings tab. Before we could change images, though, we had to add some, which we did by right-clicking the Images field and selecting Add Image from the pop-up menu. Aside from a Web link to the developer's site, the only other controls are buttons to view or change the current log-on screen image.
Windows Logon Screen Rotator's interface is Spartan but attractively rendered, with three tabs: Images, Monitored Folders, and Settings. Windows Logon Screen Rotator not only offers Center and Fill settings but also randomly rotates an unlimited number of images as your Windows log-on screen.
Many such tools automatically resize images to fill the screen, a shortcoming that limits their usefulness with wide-screen displays. Windows 7 and Vista let users change the log-on screen's background image, and there's no shortage of free tools to make the job easier.
