You can follow instructions on how to make your own Background
wallpapers.cabs or you can use one of his default TP2 Wallpapers HDWallAbstract.cab
As I did Good Luck, hope this helps.
Weather, Stock, All, Except Home Screen,
Here's an idea...changing the wallpaper on our TP2s seems a bit more difficult than in the past. The usual "background 4 all pages" methods that are about seem to cause problems for some (actually most, I think).
By, matmaneyre Senior Member xda-developers
http://forum.xda-developers.com/showthread.php?t=529576
WARNING: Be prepared to do a HARD RESET, If Cap's don't work! No Wimpy (ActiveSync Add/remove programs) for this CAP!
SUGGESTION: Always Backup!!!!!
ENJOY, Hope This Helps.