Feel free to download all of these desktop background pictures of nature as well as abstracts for free. You can use them as wallpaper and background images for your desktop computers and your smart phones.
wallpaper or background (also known as a desktop wallpaper, desktop background, desktop picture or desktop image on computers) is a digital image (photo, drawing etc.) used as a decorative background of a graphical user interface on the screen of a computer, smartphone or other electronic device. On a computer, wallpapers are generally used on the desktop, while on a mobile phone they serve as the background for the home screen. Though most devices come with a default background image, modern devices usually allow users to manually change the background image.
Animated backgrounds (sometimes referred to as live backgrounds or dynamic backgrounds) refers to wallpapers which feature a moving image or a 2D / 3D scene as an operating system background rather than a static image, it may also refer to wallpapers being cycled in a playlist, often with certain transition effects. Some operating systems, such as the Android operating system, provide native support for animated wallpapers.