XFCE missing desktop (gray background instead of wallpaper)

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https://bbs.archlinux.org – I noticed recently my XFCE 4 is missing its background. I seem to have falled back to some gray background. I noticed icons/files that should be in desktop is also missing. Seems like desktop is broken somehow Whats wrong? How do I fix this? The single panel holding window buttons etc is still working. jiewmeng https://bbs.archlinux.org/profile.php?id=56964 2013-05-08T07:32:42Z (HowTos)