These are perfect Jim, such a great sense of mystery. I think I like these just as they are, I think if the rocks got darker the contrast would be too great and it would take away from the rocks disappearing into the fog.
There is an issue with Uploading Photos (attachjments). I am not sure what the problem is, and I am looking into it. You can still try to Create your Threads and Upload your Photos, but it is hanging up during the Upload.