ryan@rkavanagh:~$ blender -w
guessing 'blender' == '/usr/bin/blender'
Compiled with Python version 2.4.
Checking for installed Python... got it!
Traceback (most recent call last):
  File "<string>", line 160, in addbutton_event
  File "/home/ryan/.blender/scripts/bzflag/world.py", line 37, in __init__
    self.wallimage=Blender.Image.Load(BZconfig.bztexpath+'std_ground.png')
IOError: couldn't load image