Here are the 3 sites I use to get all the info I need for this exact topic...

http://www.gr1innovations.com/how-to-make-money-with-bitcoin.html
http://earn-bitcoins.com
https://99bitcoins.com/how-to-earn-bitcoins-fast-free/

A lot of it is the same/similar on each one, but it's definitely some great ideas for earning bitcoins.