The hay bale elevator is a nice touch. Will your survivors be sleeping in shifts or on the roof?
hammocks inside is an option as well, just move stuff around and sling from the roof and other fixtures. Ugly but other options might be worse

As those who have been in the Military may attest, the ability to sleep in/on/around/over/under stuff in nooks and crannies of APC's or other vehicles is learnt quite quickly.
Here we go with the paint, stage one.
Home Printed Decals. So "Johnson County Sheriff painted on the side, shot a coat of primer then looked inside" to paraphrase a bit


Time for a stuff stack test to get a feel for the look. This will evolve.

