Well you know it ain't money.

Cellphone
I'd die without my cellphone.

Prayer card with Jesus on it
My mate Jesus be up there in my wallet, protecting my moneys (if I ever have any) and blessin' mah purchases.

Dinosaur band-aid
You know, in case I cut my finger or something. Emergency situations like that.

Cards
Library card, bus card, dental appointment card... Oh not forgetting the Jesus prayer card but obviously that is a class of its own. ;)

Photos
of Alex & Miles being cute. And a passport photo I took when I was 7. God, I was such an ugly kid.

Vouchers
Movie vouchers, shopping vouchers. Great substitute for when you find yourself cashless. Which, for me, is ALL THE TIME.