Change a Photo to a Sketch -
5 Minutes ... Really!

  1. Open your file
  2. Ctrl-J to duplicate the layer
  3. Image/Adjustments, Desaturate
  4. Ctrl-J again
  5. Ctrl-I to invert
  6. From Layers palett, choose Blend. Then Color Dodge
    (Your picture will look mostly white, but don't worry. Trust me.
  7. FILTER/Blur, Motion blur. Drag the Distance slider until satisfied .