Memento Brainstorming

The main character of the movie Memento is Leonard. Leonard speaks in first person throughout the movie. He looks like he is worn out from the constant challenge of living yet something is driving him onward. Revenge?
He has short term amnesia. He is unable to remember anything that he just did.
He writes notes in order to help him remember things.
He writes on his body important information.
He stays at a motel.
He knows that Teddy is an alias for a John G. John G. raped someone
He writes on a picture to kill Teddy and not believe his lies.
During the opening sequences there is a picture being held by a hand.
The beginning scene of the movie starts with Leonard looking down, and "Teddy" lying face down dead.
The movie continuosly jumps to the past so the viewer understands the present.
There is a serious tone to the movie, as Leonard is a serious character.
The use of both color and black and white film is used for different parts of the movie.
It seems that the past is in black and white, and the present is in color.
Whenever Lenny wakes up the film is in black and white.
There are notes all around his room telling him what to do.
When he goes down to talk with the owner, he tells him the same thing he always tells him, even thoguh he doesn't remember who the person is.
When Lenny and Teddy go out to an abandoned house, Lenny proceeds to attack Teddy. Lenny tells teddy to beg for forgiveness from his wife. Teddy tells Lenny that if he wants to know the truth they can go down to the basement together. The scene goes to black and a gunshot is heard.