How to improve my presentaion ?

[Falahi]

Dear colleagues,

• I need ur guidance and opinions to improve my presentation ( image resolution , materials, lighting ) the whole rendering ...
  any help would be appreciated to make me get close to realistic rendering
  frankly I have many problems with camera view and lighting in SU Vray setup specially I usually use the default setting ( I have no idea what all these parameters about lol)with a little adjusting

professionals needed here so don't let me down guyz.
Many thanks for u all

SU v. 2015 Vray 2.0
Asus Rog G75V \ corei7, NVidia GeForce GTX 670mx, RAM 24 G

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