Guys don't get me wrong tutorials are totally brilliant. But I really don't understand why you should use this node but not that node and etc. Does someone sort it same issue and how you did it.
Hey Dainius, the best way to learn is to practice! Here are a few more in-depth courses that will dive a bit deeper:
https://cgcookie.com/course/shading-fundamentals-in-blender-render
https://cgcookie.com/course/shading-the-sci-fi-helmet
https://cgcookie.com/course/shader-forge