Tamiya X-19 Smoke is part of the Tamiya range of acrylic paints. As such it can be brush painted or can be airbrushed...
Papier-mache has been used over a chicken-wire frame to create hills and mountains for almost as long as the hobbies have existed, and it does a great job too, providing a hard shell on which you can apply paint and add scatter to give a realistic...
