10) nickels (never under estimate the power of a sock full of nickels)
 9) Archie digest comics
 8) leftover stolen trick-or-treater candy
 7) lil' butcher's makin' bacon kit
 6) coal (for grilling)
 5) "fill in your own amount" Edge gift certificates
 4) tiny bottles of booze stolen from airlines
 3) Heroclix samples
 2) bulk liquid cheese

and the number one...

1) Black Canary or Zatanna