I used one light on The Flash, like this:
http://glennmeling.blogspot.no/2013/01/how-i-photograph-my-figures.html
The statue is the DC Universe Online Statue. Measures approx. 5.75 H x 6 W x 3.5 D.
THE PICTURES I USED (The lightning and route 66 logo is stock, the rest I shot my self):
STEP BY STEP:
Click on the pictures for bigger view and better browsing.
How The Flash was shot with one flash :)
Added the road and tweaked it using Free Transform and Distort to change the perspective.
Brightened The Flash and added a shadow.
Added some motion trail and dodge and burn on The flash to enhance the muscles.
Added the Route 66 logo, toned down the lines on each side to match the logo and retouch one crack.
Bringing in the new sky.
Added some lightning on the Flash, more saturation and contrast.
Added a sun of some kind using Knoll Light Factory.
Changed the colors on the whole picture.
Added some motion using the filter Radial Blur and the blur method zoom.
Cropped it, added a vignette and finished.