To really easily create a really cool effect in Photoshop, try this Planet Photoshop Tip.
Basically:
"Duplicate a layer with a subject by press- ing Command-J (PC: Ctrl-J). Desaturate the new layer (Command-shift U), then adjust the Levels dialog (Command-L [PC: Ctrl-L]) to create a strong contrast. Now, apply a Gaussian Blur (Filter>Blur>Gaussian Blur) to the new layer and set its blend mode to Overlay (Shift-Alt O)..."
This:
Turnout as this:
That is all I did to the image!