Uploading images to a stock photography house like Shutterstock is easy, free, and can be quite profitable over time. When you contribute to Shutterstock, you still retain the copyright to your creations, and you receive a royalty whenever a subscriber downloads one of your photos.
What Sells Best On Shutterstock?
Some types of photos that sell best are Portrait Photography, Food Photography, Landscapes (usually with people) and fine art photography (artsy).