A Memorial for Steve Irwin was held today in his family owned zoo. The likes of Australian PM John Howard, Russell Crowe, Kevin Costner, Cameron Diaz, The Wiggles, Larry King, Justin Timberlake, Hugh Jackman, Wes Mannion, Peter Beattie all spoke at the memorial. There were also moving tributes from his daughter Bindi, and dad, Bob. His daughter Bindi said her own tribute from a sheet of paper in front of an image of her dad. She said: "My daddy was my hero - he was always there for me when I needed him." "He listened to me and taught me...