im doing a cake for a client they wants a madmen themed cake for her sons birthday. im at a loss for idea. any help would be great

Maybe a shirt and tie cake with cigarettes and a martini glass on the board?

here is a link to a google search, there are a few cakes and some cupcakes. maybe it will help get your mind flowing
http://www.google.com/images?hl=en&client=firefox-a&hs=Tt4&rls=org.mozilla%3Aen-US%3Aofficial&biw=1280&bih=592&tbs=isch%3A1&sa=1&q=mad+men+cake&aq=f&aqi=g1&aql=&oq=