Camper TV install

Installing a new ONN 32 inch flat screen TV in my pull behind camper. Initially, I was going to make a plywood backer board to help support the tv, however, my bolts were too short to make that work. Instead, I used two washers and a locking nut to better distribute the weight on the backside of the wall. I do take the tv off of the mount whenever I am pulling the camper and reattach it when I get to the campground. I've been camping 4x with this setup and it's holding up great.