now for even more depth effect,
you can pull some of the pants away from the leg and add holes to the jeans,
select the inside and outside of the pants and use the bridge..
you can export the Obj to Sculptris, and paint it(with color, and bumpmaps),
From Sculptris, Export the Obj, texmap(Color), bumpmap, normalmap, matmap(spec) if you have one.
render it in Blender,DAZ Studio (for hair, Shadows etc)