The following November, Williamson released the new song "We Love This Country" on a compilation of the same name with his favourite holiday songs to promote Australian tourism with caravans – it became a jingle for Jayco commercials. He promoted the aforementioned projects of 2005 together with Pixie Jenkins and Warren H. Williams as part of their True Blue Reunion Tour. In August 2006, "The Platinum Collection", a three-disc set of Williamson's hits from 1970 - 2005 was released. In September, Williamson was devastated after hearing of the death of fellow wildlife conservationist and friend, Steve Irwin. In reaction to the news, he wrote a tribute tune, "Wildlife Warriors: It's Time". He was evidently emotional while performing both "Home Among the Gum Trees" and "True Blue" at Irwin's memorial service inside the arena of his Australia Zoo Crocoseum. The service was filmed live-to-air and later released on DVD. "Wildlife Warriors" was additionally released in November 2006 on a compilation album of the same name, along with twelve of Williamson's favourite conservation awareness tracks and his two live performances from Irwin's memorial.