This popped up on FB. If you are looking for an excuse to purchase one of the plethora of small industrials on the market in 7mm or 4mm scales, then this might be the push you need. It would be hard to find anything more atmospheric. Some Wills stone sheet suitably sanded flat and some Woodlands scenic 'cinder' ballast would get you in the game along with some basket liner/carpet underlay and some short static grass. I think the loco is a Barclay and similar to the model produced by Hattons, but any of the current 0-4-0s and 0-6-0s would fit.
Although the actual clips are short they are worth viewing carefully for the very tiny details. I suppose I'm thinking along the lines of a 4mm scale micro and these little touches such as the sacking-wrapped point lever would lift a layout out of the hum-drum.