@Darqmind, nodes are in dif "flavours" is some for compositing some for world and others for mats (in cycles lol they do work in other ways places etc but I dontl )

down at botton of node editor is some icons  hover mouse over and they say whats what (if you have tooltips on ) click on shiny ball then on cube

 

@Paul why dont you model in blender mate ? (not knocking wings it was my fav once )