Think that you are ready for Calculus? Try out the problems from "Ready...Set...Calculus!" written by the Department of Mathematics at Rensselaer Polytechnic Institute for their students Mr. Ford's lecture notes [you should click the pdf choices] at: http://fordcalculuspages.wikispaces.com/
An interactive set of AP Calculus AB lessons with narration and good graphics can be found at: http://www.archive.org/details/ap_calculus_ab