The orange-y areas don't look quite right to me. Maybe too muddy. I donno. Aren't clouds supposed to be muddy ?
http://www.flickr.com/photos/zircon100/2565654172/![]()
Conditions:
lens: EF 16-35 mm 2.8
exposure: 16 mm @ f8, ISO 400, 1/160 (HOYA UV filter)
camera in AV mode, white balance set to cloudy
camera mounted on tripod, mirror locked up prior to exposure
manual focus on treeline
image captured in RAW format
post processing: color de-saturated slightly
orange shadow areas darkened slightly by burning
foreground was NOT artificially darkened

Good job. 

