To ease your rendering and speed them up using Kerkythea, I have prepared different material packs. If you have also bought my e-book on Kerkythea that is on SCF shop may enjoy these ready to use materials.
my client was interested in black-white theme, and here are some renders. Interiors were done using v-ray for sketch up, and exteriors , using KT http://hirad-co.com/html/ http://aprs.ir/fa/