Here's a random selection from my favourites
Freshwater croc ("Freshie"), Windjana Gorge, Kimberley, WA
Padememon shaking rain off, Narawntapu (Asbestos Range) NP, Tas
Wedge-tailed eagle, near Cadney Park, SA
Bulldog ant gets aggressive, Watarrka (Kings Canyon) NP, NT
Fighting black-footed rock wallabies, Ormiston gorge, West MacDonnell ranges, NT
Spinifex Pigeon, Devils Marbles reserve, NT
Goanna suns itself on rocks, Georgina River, Camooweal, QLD
Who's a prety boy then? Cane toad, Bagara, QLD
Stick insect portrait, near Gin Gin, QLD
Black-headed python, Claypan Waterhole, nr Daly Waters, NT