Impassable Burial Mounds

Just to get back into things, I thought the easiest thing to do on my return was to build a piece of terrain while I was cleaning up the house and getting my painting station ready for some solid use. One of the pieces of terrain I didn't have for use in FOG was something that was Impassable. I had some time ago purchased from Warweb some JR burial mounds, so with a piece of scrap fibre-board, some other bits and pieces about the office and with my first dry-brushing for a long time here is that patch of ground that the troops just won't go through...