Hi, new here 
I’m 3D artist, who loves modelling buildings, creatures and vehicles for PC/Console games and have been working on my portfolio, so I thought to post here and see your opinion, about if it’s good for finding work in game industry.
Much appreciated!!
Portfolio: http://elphindor.wix.com/3d-game-designer
Hi try using references for lighting shots.Try using texture from photos or if using zbrush, you can try polypaint to create texture. You could try mia material instead and add bumps/normal map for your models or they are going look not good. You should squeeze the uv map. Your t rex need more displacement because it looks to smooth.