is getting a lot of mileage from repurposed pre-painted fantasy figs.
From Crooked Staff Publishing
PDF – Pay What You Want
In this PDF file, you'll find all the (paper) textures you'll need to make the dungeon (though you will also need some cardboard/foamcore/etc. as well).
Note that it's a PWYW download – so pay as much (or as little) as you like!