Share one StdGen between RGB channels in A.RandomBackground
Share one StdGen between RGB channels in A.RandomBackground

Ignore-this: 15eef05c9a73d578f5513550757bb8bb

darcs-hash:20091020165924-1499c-f6e8db74e8d4ad712435f1f4a54913c416ef52ad

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib