Well in 1:07 I smudged a bit the background just to give a more live feeling to it. Your key here is the smudge tool you can understand when you use it it's this icon. You will need soft brush tool in what p.x comforts p.x = size of soft brush tool.
For the topaz : https://www.topazlabs.com/downloads
You will crack it from the net is very easy the one I used is the Topaz Clean.
Hello,
One more tutorial is up. This one is featured with the Main Role of the character of WatchDogs.
It has very less layers but, it's nice.
For any questions post in this topic.
Outcome:
Video: