Sharingan of Hate Kakashi. Originally created as a desktop background in 1366x768 and 1680x1050. Versions are "FuumetsuMadara", "Kakashi", "Kakashi+Itachi", "Kakashi+Izuna", "Sasuke+Level6". Each in gold, green, orange, purple, teal, yellow.
Wallpaper and mouse curser at http://angelofchaos91.deviantart.com/gallery/