A bit of an odd topic folks. Basically, a thread to give examples of when just a part, often taken out of context, drives ideas for builds.
By way of example, here are two of mine:
I see this and instantly think of it added, multiple times to a Tu-95:

Or more obscure (maybe), I see this:

And while I know they are only really talking about the nozzles, I start to picture the entire engine pod from a B-1B being fused with a delta wing so as to create a fighter...