A wallpaper that I designed for duel screen of size 2560 x 1024, just set the wallpaper display position to "Tile" under properties, and it will work even on single screen of 1280 x 1024 resolution.

A wallpaper that I designed for duel screen of size 2560 x 1024, just set the wallpaper display position to "Tile" under properties, and it will work even on single screen of 1280 x 1024 resolution.