Thanks for all the input, much appreciated.
Brandt, I agree about the distractions, especially after seeing
Millett's wonderfully concise images. I'll go back to mine with hers in mind.
I attach a colour version of #2. Not much colour to work with, I thought, so I went with B&W. The forest is extremely dark in the OoC file, and in #2 it is too bright for my taste.
#1: glad you liked it, Slowframe. Murph, it was actually a carefully-made image, as the peak quickly faded in a snow squall. I have lots of clear pictures from here, but this is my favorite after several years.
#3: agreed, looks crooked. I have looked at using stronger saturation, but went with this as more realistic. If by "color transitions", you mean the warm and blue casts of the snow, I think these are reflections from illuminated and shaded clouds.