I can't tell if you're serious or joking because some of these suggestions are just really bad.
N.O. Slideshotting is already the annoying result of a physics glitch and doesn't need to be in the game.
Explain what you mean by "realistic first person"
Crane Site is already the worst map in PF and you want another map of the same theme? no thanks. Doesn't make sense in a WW2 game anyway