Crimson Skies Codes -

Level select:
Highlight the microphone on the left side of the main menu in the campaign. Press the Right Mouse Button, then type idaho. A new drop down menu that allows any level to be selected will appear at the top right of the screen.

All gallery pictures:
Select the "Previous Missions" option at the campaign mode main menu. Click the "Rogue Pilots & Co." symbol on the bottom left of the screen, then type ispy.