Kevin F.
456 discussion posts
You are attempting to get one image on two monitors, at least that would have the same affect as stretching that across both.. Syncing this is not currently possible, but I am sure Jon has it in the works to sync them so that they share the same picture. He may also include a particular option to do what you want, but the schematics of such a thing are rather complex and annoying to work out, you would have much cramping when you tried to do that.
Carsten: With this flag image, your best bet is to set it individually on each monitor and have it scale to fit. If your monitors are different sizes then the wallpaper will usually be cutoff on one monitor (the smaller one).