I have seen some aftermarket resin tank crews, but unfortunately the Aussies are SADLY underrepresented by mainstream model/figure companies. It would be great if Dragon or Tamiya would step up with some North Africa or South Pacific sets.
Try this site in the manufactures (sp?) for any Aussie stuff.
http://www.perthmilitarymodelling.com/
Firestorm models in particular.
F is for FIRE, That burns down the whole town!
U is for URANIUM... BOMBS!
N is for NO SURVIVORS...
- Plankton
LSM