Mostly they are 2D vector related, but who knows, the sky is the limit.
Some of those are presented at openclipart.
Had started something similar to this blog here and here.
"There are better ways to build a portfolio for everybody to see" as Esper pointed out, therefore I'm here.
My plan is to make a decent site where posts can be reached by categories.
Moving to wordpress or to a page entirely self-built are far from my current skills though, so this should do it for now.
Let there be light!