I saw an episode of While You Were Out a few years ago, and they put maps all over a wall in the office. I would like to do this as well, but I am not sure how. Do I just use wallpaper paste and then put the maps on that way? Does something go over the top to protect the map? What about removal down the road? I don't want to ruin my drywall. I know you can by map wall paper, but I want to use regular old maps.