Wallpaper and Xinerama

[Ma, W. <mw...@ho...>]

Hello,

i enable xinerama mode in my xorg.conf to expand my desktop on a 17" and
15" monitors. No matter what value i set for DesktopBackgroundCenter,
the wallpaper stays across two monitors with half black region on each
screen. Please see the attached snapshot (the black box on the right
buttom of the wallpaper is due to difference of the two monitor's
resolution).

How can i expand the wallpaper to the whole screens? Any idea appreciated.

btw: i am not a subscriber of this list. Please send the reply to my
email, mw...@ho... too.

Weimin