Stealth Pilot wrote:
...but dont worry about it. we're not bothered that you pinch
Australian town names.

Them's fightn' words! ;-)

Walla Walla Washington was named for a native north American tribe, not
after the coincidentally named Aussie town in NSW, as evidenced by this
Wikipedia entry:

http://en.wikipedia.org/wiki/Walla_Walla_%28tribe%29