I think you're using wrong filers, the people are too yellow tinted. The quality of the stock seeming degraded..? I mean you can see noise worse because of the filter. ._.
I did a few minor things and this is the result:
You must be registered for see images
You must be registered for see images
Original
Edited
Note: You'll need Photoshop, dunno if Gimp- or whatever you're using- has all of this.