Playboy model, Jaime Lynn, and MIT Nuclear Engineering Graduate, Paige, use more than the black board to teach that perenial hardcore college subject, calculus. Paige & Jaime Lynn as your math teaching assistant give a whole new meaning to TA.
Guy Steele's keynote at the 1998 ACM OOPSLA conference on "Growing a Language" (mostly about JAVA) discusses the importance of and issues associated with designing a programming language that can be grown by its users.