This is one of the beautiful wallpapers published by ShareIslam with theme: Quran. They give away many other themes like, Muhammad, Allah, Science and Ramadan.
Please check out other wallpapers by ShareIslam here. You may pay them a visit if you require the wallpapers in other sizes.
Download: Original Image of Quran, Guidance Without Doubt – Islamic Wallpaper
(1024X 768 pixels)