Ed,
I used the Nicole Super Tacky Glue, picked up from Hobby Lobby. Since I was mounting on a curve I carefully bent each section first and fit to the pink foam curve, then removed each section and glued two sections at a time. Held in place with scrap wood blocks and weights.
Even being very careful cutting and bending I managed to loosen some of the bricks and they fell off. But that adds to the charm. Easy enough to glue back or leave as holes, which can be filled with linchen.
