Fall Harvest displays high resolution, full color photos for Fall and Thanksgiving as your screen saver or wallpaper. All images are automatically stretched to fit your desktop. And for an artistic look you can optionally display the images in black and white.The screen saver displays the images as a slide show and you can set the time delay between images. There are 14 different transition effects to choose from. You can also choose how often to cycle your wallpaper (in hours, days or weeks, or never). The wallpaper images are automatically optimized to save memory and disk space.