to
Made in Photoshop Cs2
Involves Selective Colouring
Do what you usually do and get your base ready. I didn't sharpen until I was finished.
New Adjustment layer, Invert
Duplicate your base, drag it to the top, set it to Hardlight
Add new layer, fill with, #243F5E, set to Difference, 56%
Duplicate your base, drag to top, set to Linear Dodge
New Adjustment Layer, Selective Colour,
Reds = -100 +28 +10 0
Yellows = -100 -44 -79 +89
Neutrals = +50 0 +16 0
Add new layer, fill with, #825C3D, set to Multiply, 37%