Anyway, this is where I'm at now.  I've added some background elements, Terradome and Urban Ruins.  I'm using one of the Terradome light presets and I've added one extra light to the right 'cause I want to add fire and smoke in post.  I'm using BB's Lightmeter to measure the light levels.  It's a handy tool.  If the light is too strong it will turn yellow or red.  The center ring represents the light diffuse, the out ring specular strength.

I'm not happy about the shadows so I might repostion the sun and I'm thinking about changing the pose to have him closer to the ground although I like the gorilla type position of his left arm.  Should I switch the position of his legs?  Would that be a more 'correct' pose if he was coming from the right, attacking?

 Vestmann's Gallery