I made these last year, following this site's directions slightly. I used scrapbook paper in Halloween themes and then bought the wooden letters, and painted them the colors I wanted. Really simple and really cute!
Despite my craving for the Boos block below in today's daily find, I've been a lifetime buyer of Ikea butcher blocks (so far), which need even more love and care to keep them from looking really dry, dirty and grey after a few years
Boo Block Letters Ghosts - Made To Order, Primitive Ghosts, Halloween Decor