Gday Christine, welcome to the site
Agree with Humayun about that show, shake my head at the amount of money sunk into those projects
Coona would probably be the pick of sites in NSW.
Check out these for a bit of inspiration
(from a US amateur):
http://www.atmob.org/gallery/showimage.php?id=196
http://www.atmob.org/gallery/showimage.php?id=572
http://www.atmob.org/gallery/showimage.php?id=573
cheers
Adam