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.

RSLaserkits Cheltenham Station Build by Modelersguild.com

If someone had told me two months ago, that there is such a thing as a Z scale Craftsman kit, [ ... ]

This is a test of some photos I took with my iPad2. It's all z-scale stuff - code 40 ME unweathered rail with z- and n-scale PCB ties from handlaidtrack.com. [ ... ]

Micro-Trains Military Barracks Build by Modelersguild.com

Building this Z-Scale kit was a real pleasure. The parts fit nicely, the materials were right, [ ... ]