US currency imagery:

penny - President Lincoln in profile/Lincoln memorial, there are still some old (pre 1960s-ish) pennies with wheat shafts opposite the Lincoln profile

nickel - President Jefferson profile/Monticello

dime - President F Roosevelt/liberty torch

quarter - President Washington profile/eagle is the standard issue, as previously discussed, each state now has/will have its own quarter, and there are still a few 1976 bicentennial quarters about

half dollar - President Kennedy/?

dollar - issued in 1980ish, the Susan B Anthony coin has SBA on one side, and I can't remember the other. -- issued in 2000, the Sacagaweah (sp?) is gold and has Sacagaweah and her baby on one side, and I haven't seen a photo of the other side.

All paper money is the same color scheme - gray ink on one side and green ink on the other

one dollar - portrait of Washington/eagle and pyramid in circles

two dollars - ?

five dollars - Lincoln portrait/Lincoln memorial

ten dollars - President Hamilton/Treasury building

twenty dollars - President Jackson/the White House

fifty dollars - ?

one hundred dollars - Benjamin Franklin/?