I know that you right-click on a file to introduce it as the wallpaper in LXDE, but I can't find anyway in beta 1 to change the wallpaper in KDE. I just don't like the default wallpaper at all - sorry!
You can change the wallpaper in KDE, there is no bug I'm aware of. Just right-click on the desktop then choose "configure : desktop view" or something like that. You can also use the shortcut ALT + D, S
CC: (none) => stormi
Not a bug.
Status: NEW => RESOLVEDResolution: (none) => INVALID