1. Find your image and crop it, sharpen if you want, etc.
2. Duplicate your base, and set it to screen 50%.
3. New Selective Coloring Layer:
                    Reds: -100, 0, +100, 0
                    Yellows: +100, 0, -100, 0
                    Whites: +100, 0, +60, 0
                    Neutrals: 0, 0, 0, -32 (-20 to -32 depending on your image, you don't want it too bright).
                    Blacks: 0, 0, 0, +20
4. New Fill Layer using #040b27 (dark blue)
                    Set it to exclusion 30%.
5. New Hue/Saturation layer. Use these settings:
                    Master Saturation: 15
6. New Selective Color Layer:
                    Whites: +50, 0, 0, 0

Thats it! You may need to adjust some settings according to your image.

Other icons made using this tutorial:

  

I'd love to see what you can make using this tutorial.
Never be afraid to make your own changes and add special, unique effects!

PSD - i hope this works, i've never done it before!