If you are looking for a fun way to start making money on the side, and you enjoy writing, then you will positively want to sign up with HubPages. You will need to join Google adsense and HubPages. Once you are approved by Google Adsense and you have your Adsense account number ID, you then, insert that number into your HubPages account. You will then see Google ads on all your content on HubPages, and you will receive a 60/40 share in the ad revenues whenever someone clicks on an ad that is shown on your HubPages articles. So get busy writing and have fun.
http://hubpages.com/hub/Have-Fun-Making-Money-On-HubPages
You can also use hubpages to increase your ranking in the serach engine results,
I do most of my writing at HubPages. But am beginning to love Jevitt quite a lot.