Fairytale Scene - The Photoshop: Professional Retouching and Compositing Tips, Tricks, and Techniques - page 465

Figure 9.65
7. The last bit of light we'll paint is where it's spilling onto the floor. Add another
blank layer, name it light spill , and change the blend mode to Color Dodge.
8. With a soft-edged brush (using the same foreground color as before), paint along
the floor in front of the wardrobe and behind the children. Duplicate this layer by
pressing Command/Ctrl+J three times ( Figure 9.66 ) .