I was thinking about adding the solder fillets to the pin parts ... but for what I use the images for (mainly marketing and documentation), it would be more effort than it was worth. The template mapping is done to the part name. In my case, the parts names are appended with the material/colour. You could just put a keyword in the part name and use that in the template rule. The colours are attibutes of the material in keyshot. for example, in my material library, I've created an electronics group which looks like ... It is these that the Template Rules point to.