HD Wallpaper: Model. Girl. Desert. Feathers
Jessica Polar is the photographer behind this image and from her courtesy can be downloaded under CC0 license. Check it at full size to see if you like it and download from here optimized for apply in desktop backgrounds and homescreen phones.
Widescreen Desktop / Macbook: 1920x1200 (fits on: 1680x1050, 1440x900, 1280x800)
Samsung Galaxy Tab & iPad: 2048x1536 (compatible with many tablets)
HTC, Samsung Galaxy & iPhone: 900x1600 (compatible with many phones)