A gray day with snow flurries is a perfect time for black and white landscape photography.
Walking along the riverbed, I found many pieces of driftwood that had interesting textures. I grabbed this one and carried it to a bend in the river where the snow and ice formed interesting shapes among the rocks.
After taking a few photos standing and kneeling, I held the camera a few inches off the ground, pointing it in the same direction and angle that I did in my other shots. The wide angle causes the viewer's eye to start at the rocks and driftwood, and work upward into the rest of the landscape.
After I got home, I converted the image to black and white with the Channel Mixer in Photoshop.