I loved seeing all the entries - they gave me some great ideas. Also very difficult to judge. There would be as many honorable mentions as there were entries, so I'm going to post the three where I felt the color treatment made the greatest contribution to an already good photo.
Third place to Allen for this well captured water droplet. I found the color to be unexpected, which added to my curiosity and interest in the photo.
Second place to Walter for this intriguing photo where the almost imperceptible hue subtly but effectively adds so much to the character of this photo. Sometimes I'll process a photo in color and black and white and debate which I prefer - this one compared to black and white would be my choice 10 out of 10 times.
First place goes to Arnie for this glorious sunset photo. A well seen moment, and the color is definitely the star of the show here.