Millennium Falcon:
Get Bronze metals in all of the original missions.
TIE Fighter:
Beat “Imperial Academy Heist” at both times of the day using the TIE Fighter in both of them.
Naboo Starfighter:
Beat Tatooine training at all four times of the day; Dawn, Day, Dusk, Night. You can change the time on your GameCube by holding A when the GameCube starts up. Just set it to the time of the mission you want to play. (I.E. 12 = Day). Note: You must get all bonuses and complete all tasks, races and go through all of the rebel symbols.