i created this online advertisement magazine almost three years ago. its excellent collection of world top brands like KFC, BMW, Armani, Gucci, Hermes, Coke, Pepsi, etc.
then i placed Google adsense ads at this site, which at that time going good. its a very good example & inspiration for young developers to shape their ideas and earn money.
so take a look at http://www.theadmag.co/