Remember this little rhyme . . "Pepsi-cola hits the spot In your stomach it will rot Tastes like beer,tastes like wine Oh my gosh it's turpentine"
It seems like anything with wheels, gears, an engine, more power, breasts, or an interesting story seems to fly. Sprinkle the interesting story in with a pile of the other 5. I used to explain what was being looked at. Easier to link to wiki(and less server space needed). You seem to find a pile of unposted pics, so keep em coming. Most of Shorpy has been reposted. I troll around the Library of congress lately (bottomless well of goodness, if you can stand navigating the site's clunky search engine).