Note how the snow gets added the same way you would use threshold in Photoshop, so you should use gradients to control were snow gathers in crevices first. The wetness/shininess is faded in as the alpha channel moves from 100% to 0% | Note how the snow gets added the same way you would use threshold in Photoshop, so you should use gradients to control were snow gathers in crevices first. The wetness/shininess is faded in as the alpha channel moves from 100% to 0% |