29 October 2011
Last updated at 14:38
The Queen listens, along with Western Australia's Premier Colin Barnett, to the sound of the didgeridoo played by Richard Walley in Perth on the last day of her trip.
The Queen attended the 2011 Commonwealth Heads of Government Meetings (Chogm) where she addressed the leaders of the Commonwealth nations.
Not everyone welcomed the arrival of the Commonwealth leaders, however - a protest was held outside the Chogm meeting, by anti-nuclear, refugee rights, environmental and anti-corporate groups.
The Queen is on an 11-day official tour of Australia - her 16th visit to the country in the nearly 60 years she has been on the throne. She watched Aboriginal dancers put on a performance during her visit to Clontarf Aboriginal College in Perth.
Crowds gathered for her walkabouts, including in Canberra, with flowers to present, and cameras at the ready.
Her official engagements included many with a military theme, including laying a wreath at the Tomb of the Unknown soldier during a visit to the Australian War Memorial in Canberra.
The Queen inspected some 400 Australian soldiers at the Royal Military College, Duntroon, where she presented new colours to the institution, the fourth time she has done so.
At a reception hosted by Ms Gillard at Parliament House in Canberra, the Queen paid tribute to the courage shown by people during a "difficult year" of heavy flooding in Australian towns and a devastating earthquake in New Zealand.
A minor row broke out over how Australian Prime Minister Julia Gillard greeted the Queen at Fairbairn military airfield near Canberra. The prime minister, who was born in Wales, shook hands with the monarch but failed to curtsey. Some commentators thought the greeting disrespectful, but Buckingham Palace said: "Absolutely no offence was taken at all - it's a storm in a royal teacup."
Among the many guests at Parliament House, the Queen raised her eyebrows when she met 6ft 8in Australian basketball player Elizabeth Cambage.
No Australian visit would be complete without an encounter with koalas. The royals were shown the pair when the Queen re-opened a rainforest walk in Brisbane that had been washed out by the devastating floods, paying tribute to the "resilience and courage" of Queenslanders.
Hundreds of people lined the banks of Brisbane River to wave at the Queen and her entourage as they sailed past...
...and she waved back. The Queen is being accompanied on her trip by the Duke of Edinburgh, 90. The couple leave Australia - after a barbecue - on 29 October.