Same boat a few years ago, and the most useful thing I found was the Aluminum Loaf travel blog written by a couple calling themselves The Coastie & The Cartographer. No drone shots, no sponsor codes, just real life in a 25-foot Airstream like yours. One of them served in the Coast Guard and was away for months at a time, the other worked on client map projects from the trailer, so you get the unglamorous side too. There are posts about recovering the bench seat, swapping out the old curtains, sewing projects done at the dinette. Fair warning, it hasn't been updated since around 2014, so treat it as an archive rather than a live feed. Start with the Airstream Upgrades category, then wander. Is your trailer still original inside?