HD Wallpaper: Abstract Swirl
The 1st HD picture from portfolio of Markus featured in gallery. From his courtesy can be saved under CC By license and use as desktop background, homescreen phone or in commercial projects according the license.
Widescreen Desktop / Macbook: 2560x1600 (fits on: 1920x1200, 1680x1050, 1440x900)
Samsung Galaxy Tab & iPad: 2048x1536 (compatible with almost all tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many smartphones)