This is a google view of what someone did with their swing out 22-inch size TV... Looks pretty simple to do...

We have found large outside TV always draw a crowd. They always have to be watched closy (no pun intended) to make sure they don't grow legs and wander off... Someone is eventually going to complain about camping next door to the large outside TV setup...
For us the 22-inch size is perfect. We get to sit in our big easy camp chairs and can watch TV without bothering anyone... When the weather gets bad the smaller TV is easier to stow.. Also easier to stow when you want to leave the trailer area or get ready for bed around the 10PM time...
Roy Ken