@Razor:
To make them look different, the fighters should have flat bottoms, and the Tac’s should stand on wheels like the Japanese Tac and the german stuka.
Like in this pic, the fighters at left have flat bottoms, and the Stuka at right stand on wheels.
If using wheels to make a difference, the planes can have the same size, and still be easy to identify.
The Stuka and the Val have external gear. The Dauntless and Mosquito have internal gear. Fmg’s Italian Tac Bomber has internal gear.
The US had very few useful tactical bombers (passed the beginning of the war) that had external gear. Britain had several, including the Beaufighter. In general, external landing gear was a liability and was phased out. I’m fairly certain that most, if not all, late war dive bombers for every nation had internal gear, and the Stuka and Val are iconic and recognizable partially due to their pre war designs with external gear.
The only reason the Japanese tac bomber has external gear in the Pac40 mold is because the Val did not have landing gear that could retract into the fuselage. It is certainly possible to mold the Tacs so that they all have extended gear, but thus far the planes have been molded to look as they did in flight, not on the ground. Including the FMG italian Tac.