repeat for all trees :-)

Full Moon in The Midnight Forest - making of - Step 22

The shadows are they are now are too much, of course. For each shadow layer (you did make them in separate layers, right?) change its opacity to 30%-40%.

Full Moon in The Midnight Forest - making of - Step 23

The part where a shadow touches a tree did not look good to me, so I added more black using big black brush.

Full Moon in The Midnight Forest - making of - Step 24
 

The last thing to add are the clouds. They look like generated by Photoshop, but they are not! I found this photo at http://www.sxc.hu/photo/559389

Full Moon in The Midnight Forest - making of - Step 25

...and added into the wallpaper with layer blend mode set to Overlay, as always. That's it! Hope it will be useful.

The Full Moon in The Midnight Forest wallpaper (see wallpaper).

Author: Vlad Gerasimov
URL:    http://www.vladstudio.com