When photographing a group of this size be thoughtful of your lighting. You could easily use a single front light, but that would give no ratio and thus no dimension. I elected to cross light 45 with 2 umbrellas to soften the light and reduced power on one side, the side away from the window banks to the right. Tip... Ask your subjects if they can see you and the lights. Also placed a light behind the group to provide separation. Most notably 3 of these gents weren't here and were placed later after allowing for their absence in the composition and individual shots were done later. Rich Gose @Http://803labs.com is the go to guy for composites and retouching of this sort to match shadows light and composition.