First, make some textures in any image editor, then apply them to models you make in SketchUp, export it to your favourite renderer, render it, edit the image a bit, and upload it to dA. Simple, really
Very cool! Can you do Herobrine vs The Wither? Preferences; An army of Wither skeletons behind the Wither. Herobrine wielding a diamond pick, stained with blood. The battlefield has holes in it and lightning crackles over it.