Unlock Temuera Morrison Interview:
Clear the Kashyyyk campaign to unlock an interview with Temuera Morrison (Actor who played Jango Fett in the movie).

Restore Ammo:
While playing, press Sart to pause and enter Y, Y, DOWN, R-Trigger, L-Trigger, R-Trigger, Up to refill all the ammunition of #38's current arsenal.
Unlock Foley Featurette:
Clear the Geonosis campaign.

Unlock Spec Ops Featurette:
Clear the Assault Ship campaign.