Lovely work on those vehicles. Will need to remember these when I start working on my own - 3D resin prints. Great inspiration.
And I'd say don't worry about the varied sources. The vibe is paramount and I think you've nailed the 24 penny nail all the way to the wood in a single hammer blow! And, no, I have no idea if there are 24 penny nails, just think of a really big and long piece of metal.