Hornet, that's excessive. Looks more like an 1800s steam locomotive than a streamlined aircraft.
You can get plenty creative with how you make rivets appear, but IMO simply making them all giant bumps isn't very appealing.
Let's take a look at the real thing, shall we?

"rivets" as a skin features are truly blown out of proportion in this game. Honestly in most cases you couldn't see them unless you walked up and put your hand on them. There are some cases of much larger screws, panel fasteners, etc, which were visible from further out, but these are not rivets.
Example of fastener screws on this present-time P-40:

Edit: moving my last comment to the proper thread.