Since the Cliff competition I've had a hankering to go back and rework some old scenes to see how much I, and Terragen itself, have improved. The base terrain is mostly the same with the exception of the mountain top peaking up in the background which was sent through World Machine to perform some erosion and generate a snow mask. All the shaders have been updated, lighting and camera angle slightly tweaked, and eight populations of plants were added to give better vegetation variety. I still need to create a mask for the scree to match the distribution in real life since it is rather more extensive than what I currently have.
The first image is the new version of the scene and a second is a side by side comparison.