In the following article I have written down some details about the best microstock sites for photographers and graphic artists. If you are just a beginner in the microstock world, then I can recommend you to start with Dreamstime and after you have a portfolio about 50 images, try your luck on the Shutterstock.
Selling graphics
Fotolia is submitting stock video
In the middle of February Fotolia will start offering footage in various digital formats including HD video, for as little as £10. Contributors can submit their footage right now.