I get the occasional email request for information on Australia and Australian Guiding from Units in other countries who want to learn about us for Thinking Day, so I've compiled a (short) list of sites that can help you.
May I suggest you browse the Australian Girl Guide website for program and uniform information. http://www.girlguides.org.au/
You might like to learn more about Australia from a tourism site: http://www.australia.com
You may have seen in the news that the entire nation is in mourning for the victims of one of the worst natural disasters our country has faced: the Victorian bush fires. Maybe you could plan a program some time about fire safety for your girls.
Here's a web page that gives recipes for some "traditional" Australian food: http://www.aussie-info.com/identity/food/
There's another one here http://www.inmamaskitchen.com/FOOD_IS_ART/places/Ausfoodarticle.html and another one here http://www.cultureandrecreation.gov.au/articles/foodanddrink/
Australia's official language is English, but you might like to have some fun with Strine:
For games, you might like to visit the following sites:
Maybe this site would give you some ideas: http://www.extonaustralia.com/category265_1.htm
Some information from an Australian Guiding sister (hi, Di!) is at this site: http://trefoilnet.info/australia1.htm
This page seems to have disappeared. I am trying to contact Di to see what happened.
Finally, all sorts of Australiana is on this site:http://www.activityvillage.co.uk/australia_links.htm