Here's the Star Wars Rebel Theme for WVGA portrait and landscape. R2D2 battery and password screen. Attached a zip with VGA wallpapers.
Extract the files from the gfx.zip and replace the files in the S2U2 gfx folder.
For best appearance choose Time Format "option 3", then edit the TimeFormat in the registry as follows: h':'mmt - Anything else and the clock may appear off center.