I'm sorry about your camper. That's just heartbreaking! It's sooo pretty!
I am also in windy, windy SW Colorado. We bought a cheap metal bender and built an open-ended greenhouse. I was planning to build a 'garage' for my TT when it's built out of that, because the one we have already built has held up in the wind really well.
However, I have seen people build them out of pieces of metal tubing from old free trampolines off of Craigslist, which you can probably find up in Denver. I think you could probably build yourself a very durable almost free garage out of trampoline tubes covered with your heavy duty tarp...
Each tube running down sits over a rebar piece, and then you can drive some T posts and stake the whole thing down extremely well. Should be a pretty decent cover for a TT, and the tarp won't be blowing around on your camper finish, messing it up or holding in too much moisture.