windows 7 - My dual screen wallpapers don't line up correctly - Super User
Wallpaper stretching over multiple monitors on Fedora 19 (Gnome 3) - Unix & Linux Stack Exchange
WebUpd8 - Ubuntu Multi-Monitor Tweaks (Full Screen Flash Fixes, Span Wallpaper Across Monitors, More): http://www.webupd8.org/2012/10/ubuntu- multi-monitor-tweaks-full-screen.html If you are using a multi-monitor setup in Ubuntu, here are a few tips ...