Time Capsule Ideas!!!Please!!!?

For school i have to put together a time capsule. Im a freshman in high school and we will open these when we are seniors so it will have alot of like teary moments. It is due tomorrow and im a procrastinator. I have pictures, a C.D. I burned, some articles off of the internet, a letter from a friend but i need more. I want it to be packed full of stuff. Do you have any ideas????????? I have to fill a manilla envilope.