Complete the indicated task in Story mode to unlock the corresponding bonus material.

Material	How to unlock
In-Game Concept Art	Complete the mission 6 bonus objective.
Movie Concept Art	Complete the mission 7 bonus objective.
Movie Concept Art 2	Complete the mission 8 bonus objective.
Movie Outtakes	Complete the mission 15 bonus objective.
My Day At Work	Complete the mission 11 bonus objective.
Nym Comic Book Art	Complete the mission 12 bonus objective.
Team Commentary	Complete all single player hidden objectives.
Team Photos	Complete the mission 10 bonus objective.
Vehicle Concept Art	Complete the mission 5 bonus objective.