I just recently came across another Aussie photographer, Peter Jarver, who passed away a couple of years ago. He has some great lightning images, reminds me of our own Graeme Hird's work.

http://www.kenduncan.com/galshop.php?fn=prod&id=2480
http://www.kenduncan.com/gallery.php?ms=82
http://www.peterjarver.com/about.php