These are from TT Combat and I really like their MDF terrain range - it's a good price, easy to throw together and turns out looking reasonable if you put the effort in.
I had forgotten how hungry for paint MDF can be, so getting them to the point of readiness took a lot longer than their GW plastic equivalents. But the results are good and I got to play with the same techniques as my Space Wolves - so black primer, dark and light brown undercoats, varnish, chipping medium then the base colour + highlighting and shading.
There's a few more pieces in the pipeline with a little more detail so they'll turn up next month at current rate of progress.