The addition of the map is a great accent. Bombers are littered with maps, charts, checklist, and procedure manuals. Maybe even the occasional lucky rabbits foot or other lucky charm hanging overhead and a picture of a sweethart or child taped to the bulkhead. Find out from your vet what other personal effects that he might remember that may be in or on the plane.
The crewchief I built the B25 for said, for luck, that he'd tape a pack of smokes to the inside of the wheel well door before every flight. He figured that she'd better come back so that he could get a smoke. So, look real close to the back of the left narcel wheel door on the model, and there will be a small strip of tape with a lump in it representing a pack of luckys.
He also rolled up a bunch of socks and taped them to the top of the access hatch and bulkhead door into the nose because the bombadier, who was 6'-6" (a tall man for a B25, he was orginally assigned to B24s but and administrative mix up put him in B25s) would scalp himself when getting into his position. He said this guy, when wedged into the nose, looked like a chick ready to hatch. If he had to navigate, he would tape the map to the top of the canopy and read it lying on his back. All what would be in the nose was a 50 cal, without the ammo box, it was rigged up farther back into the plane, and the bombsight, which also was installed in flight.
Your doors and other scratchbuilt details are looking awsome.
Scott