An easy way to enhance the look of any diesel locomotive is to blacken the grills and vents to provide more depth.  You can use a black wash to bring out the grill or vent details.  Weathering powders are extremely effective bringing out locomotive vent and grill details.

Micro-Trains Farmers Co-op Build by Modelersguild.com

I am definitely getting better at Z-Scale. Another Micro-Trains kit, I am liking these more and [ ... ]

 This is Micro trains Line SD40-2 Santa Fe model which I customized with working ditch lights.

I've read lots of advice, howto, intro, and helpful things on the internet about modeling railroads.

But nowhere is there any information for the beginner, [ ... ]