This guy does loads of print and play terrain that I think look awesome and I want to make for dungeon crawlers.
youtube.com
I thought I would post a link here.
Crooked Staff Terrain
Cheap and easy terrain tips for wargames, RPGs, and skirmish games. NOTE: a listing/index of most of the fantasy (28mm) terrain that I've made so far can be found here: https://docs.google.com/document/d/1AGWAR5OaHgUojnGL1ST9s7bDw9qybvhhfk7i5bzsmHE/edit?usp=sharing
I thought I would post a link here.