Alternate Camera Angles:

Enter DIRECTOR as a code. The message "Director Mode" will appear to confirm correct code entry.
Bruiser Gun

Enter BRUISER as a code.
Canyon Sprint Mission

Earn a silver medal in the Naboo Proving Grounds, The Royal Escort, Taking The Offensive, Midnight Munitions Run, Rescue On The Solleu, and The Final Assault missions.
Charm's Way Mission

Earn a bronze medal in The Royal Escort, Contract Infraction, Piracy Above Lok, Taking The Offensive, The New Resistance, and The Final Assault missions.
Christmas Video

Enter the following code at the Code Setup screen....

WOZ

You should then have the Christmas video unlocked
Darth Maul's Infiltrator Ship

Earn a gold medal in all default missions.
Default Screen

Enter SIZZLE as a code.
Enemy Ship Gallery

Enter SHIPS as a code.
Guardian Mantis Ship

Earn a gold medal in the Contract Infraction, Secrets On Eos, and The New Resistance missions.
Havoc Ship

Earn a gold medal in the Piracy Above Lok, Valuable Goods, Eye Of The Storm, The Crippling Blow, and Last Stand On Naboo missions.
Invincibility

Enter EARCHIPS as a code. The message "Invincibility" will appear to confirm correct code entry.
Outpost Attack Mission

Earn a bronze medal in all default missions.
Pre-Production Art

Enter PLANETS as a code.
Reversed Controls

Enter JARJAR as a code. The message "Jar Jar Mode" will appear to confirm correct code entry.
Secret Spaceship for Bonus Missions

Enter BLUENSF as a code to unlock the Experimental N-1 Fighter. Alternately, earn a gold medal in the Naboo Proving Grounds, The Royal Escort, Taking The Offensive, Midnight Munitions Run, Rescue On Solleu, and The Final Assault missions.
Space Sweep Mission

Earn a silver medal in all default missions.
Trade Federation Freighter

Enter UTILITY as a code.
Unlock (Almost) Everything

Enter EUROPA as a code. Everything except the multi-player levels will be unlocked.
View Credits

Enter CREDITS as a code.