I realize it's supposed to be a sniper....It just looks like a dead image. Stiff. Whats your lead character supposed to look like? Ops? Millitary? What year is it? Whats your story line in a nut shell?
Answer some of these questions for me and I'll come up with something to propose to ya. I'm kinda in a down time section with my partners internet connect. Lets see if we can't make some pop a little more for a cover shot. You want it to really grab someones attention.
You asked for an opinion man...I just gave it. It does not scream "You gotta play this game" to me. I'm far from a pro but I'm not to bad with graphics....Offering my help here. And I don't do that often.
Good luck either way
Loc
EDIT: I looked up your history and have your plot for 247....Let me mock up a proposal.