Painting the Interdimensional Traveler - ZBrush Creature Design: Creating Dynamic Concept Imagery for Film and Games - page 269

5. The effect of the overlay image can be tweaked by changing the color hue and saturation. With the
overlay layer selected, press the Ctrl + U hot key to bring up the Hue Saturation menu. Alternatively, you
could go to Image ⇒ Adjustment ⇒ Hue/Saturation ( Figure 5-42 ).
6. From the DVD or download files, open the file skinswatch.psd. Copy and paste it into the illustration.
Move the layer to cover the character's head and change the blending mode to Overlay ( Figure 5-43 ) .