On this web addrress you can read how you can earn money with your digital photos and videos on Microstock sites This relatively new thing has started few years ago. Some people earn around 1000$ every month with some of these services (That means few 1000$ total). You can read more about this way to earn money on this web address: How to earn money with your digital photos and videos on Microstock sites There you can also read some usefull tips and resources related to all this.