Should I "Go Walkabout" in Australia

This is not only about travel but about people we met on the road and the problems encountered when using an American Motorhome (RV), which had seen better days and was difficult with spare parts. She comments on aboriginal life and many other asides.
We have so many colorful photos that it will be difficult to pick them from our collection.
"This diary covers the route from Currumbin(Southern Gold Coast) down the New South Coast to Cowes and Melbourne. Up the Inland route of New South Wales via Dubbo , Glen Innes, Casino and up the Queensland Coast to Cooktown then back to Currumbin".