You may want to get some good photos of your trailer graphics and get in touch with a local business that does vehicle wraps. They can use their photographic techniques to make something for you.
I did a websearch on "Vehicle Wraps near Wales, Maine" and got a few hits. Here is the website of a company in Oakland, Maine. Check out their "Gallery" of the previous work they have done:
https://www.bridesignsme.com/ There is 1 custom 5th wheel (With an American Eagle motif) among their examples.