Photoshop gurus, please come inside

[The New Black]

I have decided to paint my Chevelle Cyber Gray. However, then I had the idea of two toning it with a a blue; like Jetstream Blue. Could someone please take this photo

http://image.superchevy.com/f/9082743+w750+st0/sucp_0608_chevelle_02_z+1966_chevrolet_chevelle_SS +rear_view.jpg

and do a quick two tone with the gray? I don't have the program, nor the knowledge if I did.

Thanks in advance.

[The New Black]

****, I just saw the correct forum for this. My bad.