This happens when you try to change the background at 00:xx hours. I changed my system time and was then able to change it successfully :D
Running latest version (20130207-1) on Ubuntu 12.04 64-bit.
Traceback (most recent call last):
File "/usr/bin/gdm3setup", line 328, in _Clicked
self.Dialog = WallpaperSelectorDialog()
File "/usr/bin/gdm3setup", line 295, in __init__
self.Widget = WallpaperSelectorWidget()
File "/usr/bin/gdm3setup", line 188, in __init__
self.UpdatePixbuf(datetime.datetime.now().hour)
File "/usr/bin/gdm3setup", line 269, in UpdatePixbuf
intensity = ( value - self.TbStartTime[i] ) * 255 / (self.TbEndTime[i] - self.TbStartTime[i] )
ZeroDivisionError: integer division or modulo by zero
This happens when you try to change the background at 00:xx hours. I changed my system time and was then able to change it successfully :D
Running latest version (20130207-1) on Ubuntu 12.04 64-bit.