: Change your camera some more, have him tower over you to create a sense of power. And if at any possible, create a more dynamic pose. Something down the lines of
The pose you have now combined with the current camera angle isn't very interesting in terms of silhouette.
- Play a bit with effects-cards rather then just a lensflare.
- As far as lighting goes, I would go with a cool blue as that's how he's mostly shown in the movies. And a cold color fits him perfectly. Try finding a setup where you can at least have some nicely defined shadows in it (which is hard with this pose imho).
- For the background, it doesn't need to be anything fancypants. Just a simple well made gradient sort to speak will do wonders. The background should complement the character without drawing too much attention from the main focal point (the character in this instance).
The thing with a flat background is that it effectively flattens your entire composition, which isn't good.
- Go a bit easy on the DoF.
paintover is a good example of how to complement your character with a background. ;)