STEP 33: After completing the whitewall parts of the tires, we need to color
the shadows cast by the tires on the grass, as well as the shadow from the
spare tire on the side of the truck. Using the Quick Selection tool, select those
shadows as shown above. Add a Solid Color Fill layer at the top of the Tires
layer group folder. Name it “Shadow,” set it to a dark gray (#313131), change its
blending mode to Darken, and reduce its Opacity to 10%.
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