setup 1: light high above the viewpoint
setup 2: light above the viewpoint
setup 3: light at the viewpoint
setup 4: light below the viewpoint
setup 5: light 45 degrees to the side, 45 degrees above
setup 6: light directly to the side of the face (90 degrees)
setup 7: short lighting
setup 8: butterfly lighting
setup 9: broad lighting
setup 10: light close to the viewpoint
setup 11: directly on face
setup 12: partial back lighting effect
setup 13: silhouette
setup 14: multiple-source lighting