Get a picture of the day from the following sources and use as your daily wallpaper.
<ul><li>NASA Astronomy Picture of the Day</li><li>Bing</li><li>Simon Stålenhag Artwork</li><li>Wikimedia Picture of the Day</li><li>NASA Earth Observatory Image of the Day</li></ul>
Preview images, pick your favorite source, enable automatic updates, and enjoy a fresh wallpaper every day.

Note that all images are protected by copyright; you may not be allowed to use or distribute them. Do take a look at the license terms for each image.