OK, BB

 

so what you suggest to fix my problem in the scene over your post ?

I'm not able to find the right way to have good lights under the porch and solve issue

 

what you mean with " or other similar hack."

 

i'm not able to find one good working

Poser Pro 2014 SR 1 on Windows 7 64 bit
I use IDL, Gamma Correction and EZSkin for all final renders.