Weather Wallpaper is a mortscript that changes S2U2 wallpaper based on current weather condition. Now there is support for Weatherpanel, HTC Weather, and the original Yahoo feed (based on notiweather script).

Release notes:

Update: WeatherWallpaper v0.36 (yahoo only): line 176 fixed with missing “)”

http://forum.xda-developers.com/showthread.php?t=390841