Check out Magento abstract wallpaper pack by Inchoo. Featuring Magento visuals and abstract backgrounds, these wallpapers would look fantastic on the desktop of any Magento fan!
Feel free to download and enjoy 
Magento Corner Dark
1920×1080 | 1600×1200
Magento Corner Light
1920×1080 | 1600×1200
Magento Flow Dark
2560×1440 | 2560×1024 | 1920×1080 | 1600×1200 | 1650×1050
Magento Flow Light
2560×1024 | 1920×1080 | 1600×1200 | 1650×1050