Mud and Rock Dungeon Tiles w/ openLOCK

I didn't see a readily available for free single dungeon tile with a hole for my medium sized worms on 2x2 inches. Also the dungeon tiles I had and/or had purchased have more of a circular layering appearance. I wanted a more mud combined with rocks and stone look with the layering. These are openLOCK compatible and are a set of 4 different styles of tiles. A couple have a small feature in one corner to give it a slight difference in appearance other than the smaller stones or rocks on the tiles