There are a couple on interesting articles in the latest issue of Nature Photographers Online Magazine that will appeal to nature and non-nature photographers alike:

Catching the Cold by Jess Lee
“Winter photography gives us an opportunity to capture scenes that are unique to many viewers. Streams, rivers and lakes can be covered with pancake layers of ice or blanketed with pillows of powder snow. Animals covered in hoary frost appear ghostlike in early morning ice fog. Even in the southwest you can find icicles hanging against the red rocks. The variety of subjects is only limited by our imagination.”

Nature Photography Best Sellers - What Sells and Why? by Darwin Wiggett.
“There is a huge disparity between what photographers think is a great image and what photo-buyers think is great. Photographers are impressed by images that show mastery of technical skills, artful compositions, sublime light, and refreshing creativity. Photo buyers, on the other hand, look for images with a strong story, powerful mood, and universal appeal…”

Website: Nature Photographers Online Magazine