If you want to add background image in your folder background like the below preview you just have to download the given software and install it. After this you should follow the instruction given by the software and give him a final touch to ready this .You cab send this to other computers without loosing it.
Just Download This Software
And Follow Easy Step
Window Paper XP v1.01.rar
Window Paper XP v126.96.36.199 Beta 2.rar