-->create a new layer. -->Draw a very fine dark line around the rim of the eye where you want the lashes, then draw another fine line in a lighter color directly above the first line so that they are overlapping. ->Use the smudge tool set with a very small brush to smudge in precise, quick strokes in the direction you want the lashes. Using two colors will give a realistic natural look to the eyelashes as opposed to just plain black.