For the whole weekend (sleepless hours), lastnight, and tonight. Been through 1000 renders, re-mapping for proper texture sizes and texture fixes. Found a solution and nearly solved. It is in the bump mapping, not in the diffuse. For bump mapping has to be a tileable (seamless) texture. And in the diffuse can be just a color, no image, unless if you want one, then you have to remove all the colors in the image to just one color. Like I did in the sample renders. Still working on this, and now I can get it done.

Also, I noticed. Poser doesn't have a Normal map nod, and where would I apply it. Normal mapping will help ease the problem.

Top tire view.

and lastly, ground view. I can make camera lower, but do not need to. Still working on this.