Brain Exercises?

[Pentagular Dark]

Is there any way to do a 'Brain Exercise' in Terragen 2? (Brain Exercise meaning for Terragen: The quick creation of a scene/shader/clouds/terrain/etc.  to increase ones skills in Terragen(2); these are often repeated in succession for optimal effect.)
^^^I just made that description up off hand.

[Henry Blewer]

Find one of the more complicated files that someone has shared. Build it by copying it from a second Terragen 2 program running. Try to rebuild the scene from memory.