Number 5 of my 10 part series. In this photo you will notice that the difference from what I started to where I ended is not that big. Still, making the change required quite a lot of work :)
This is the final photo, open the full post to see the original shot and how it looked in photoshop:
Late hour on the Wenceslas Square

This is what I started with:
Then is how all the layers in Photoshop looked like: