If there was a picture on the front of this postcard it would be of a wide green expanse, dotted with purple wildflowers. Front and centre is a tanned stockman on a rearing horse, to the left a small herd of angry cattle, to the right three indigenous teenagers clinging to the front of their saddles, the whites of their eyes matching their stackhats as they watch their teacher at work. The picture was taken on April 16, 2009, at Spring Creek Station, in the East Kimberley. The stockman is Billy Atkins, a trainer with East Kimberley Community Development Employment…