Critique my Poser Render

Any of you who have seen my stuff before have noted the use of Poser in my work, but this is a bit different as usually I use Poser to produce silloheuttes (sp) but this time I’ve attempted a proper 3d render of a character and placed him in NYC from a photo I took during a holiday there a few months back. Would I be better rendering the NYC photo into the background in Poser or leave that for some Photoshop work? I touched up the final graphic in PS a little once it had finished rendering and here is the final product: