Although I have earned money earlier too because of my net presence, I was pleasantly surprised last week when I received my first ever cheque for contributing an article to http://www.merinews.com.
I joined this interesting site a few months ago on prompting by a person called Shilpadeep on the net. She sent me a link to the site and interested me enough to visit that link and become a "Citizen Journalist" or "CJ". I wrote a string of four articles on the medical "industry". These articles were well received but did not garner the kind of attention that I was looking for. Then, sometime in August, I wrote an article based on my real life encounters with Orkut. This artocle became a rage, so much that I received both fan-mail and hate-mail for it. In the end, the Merinews editorial team elevated it to a "Merinews Pick" and sent me the payment as a recognition-cum-reward for doing what I had already done.
Do visit the site mentioned above, and use the search option to see my articles. Search for "Dr. Taher" without the quote marks and the next box selected to "by Contributor".