By now, all of John's paid attendees should have received the correct image to prepare for the Feb. 17 class. If you are enrolled (or intend to enroll: 2 spaces left!) and did not get a private email of the snowy creek in Big Cottonwood canyon, (not the red rock cliff with snow) please let Karla know. email@example.com
Meantime here is a helpful sketching exercise emphasizing the importance of values, whether you are doing a quick sketch or a serious drawing.