To download a free abstract background for your desktop or iPhone, just click the size you require from the list to the right of the image.
When the wallpaper has loaded in the browser window right click and select 'save image as desktop wallpaper....' or ctrl click on a Mac mouse and chose 'set as desktop background'.
Abstract wallpaper backgrounds are free for personal use only. You may not use them for commercial purposes or redistribute them. To use images as web site backgrounds or for other purposes please visit the picture licensing page.