Light Passes Compositing

On the weekend, trying to make lighting passes compositing. the model i borrowed from my friend. got a problem with subsurface material, i'm not sure 100% i've got this one. however, on the compositing program, i almost got a full control of the lights.

The lights passes i used: Key light, Kick Light, Rim Light, Fill Light, and Bounce Light.

i got some comparison for the results:
The first one is only beauty and AO:

This is after the light passes composited:

And this is after i tweak the five light passes:

Looks cool but now i got another problem to find out whether these passes can be combined with the basic compositing pass...coz i still need to tweak around specular, diffuse, subsurface, etc..

Anyway it was a fun test :)