When doing the ancillary tasks, we

decided to have the main focus be on the killer or protagonist,

Tom.

Because of this fact, they all compliment each other and work together in promoting the film. The idea is now quite consistent in both tasks and therefore support the actual

trailer in giving the audience a feel for the film.

If we look at them individually..

As you can see, both tasks have differences but also have their own

similarities which help them to support one another.

Both tasks are explained in further detail here and here.