Halloween Party Prep

This week is all about getting ready for my 2nd annual Halloween Party next Saturday. Part of the prep is getting the way coverings ready. The whole idea is for the house to look like a cave/dungeon. To achieve this look, I purchased Black Out Scene Setters and some grey paint from Lowe's. I could have purchased stone Scene Setters but you only got 30 feet by 4 feet rolls as opposed to 100feet by 4feet with the black out kind. Next, all I did was paint. How do you think it turned out? I still have some more to do but I think they came out great.