Adding Shadow
1 Open shadows1.jpg from "shadows" folder
2 Enlarge, and use Magnetic Lasso Tool to select a person - double click when done
3 Right mouse button > Layer via Copy
4 Duplicate this layer and name it "shadow"
5 Click on middle layer to select it (going one step down in the layer palette)
6 Edit > Free Transform (Ctrl > T)
7 Grab the top middle handle and drag it down, then rotate to the right, scale and position
8 Enter key
9 Use Magic Wand to select transparent background, then Select > Inverse
10 Edit > Fill and select Black
11 Select > Deselect (Ctrl > D)
12 Filter > Blur > Gaussian Blur
13 Choose Overlay as blending mode
14 Reduce Opacity
   
  File > Reverse and repeat