iStockphoto (Sponsored Post)

Program Name: iStockphoto
Eligibility: Worldwide Membership Acceptance
Details: Anyone can apply to become a photographer on iStockphoto. Contributors will be asked to read through their online training manual. After that, you need to submit 3 sample images for review. Once approved, you can then start upload photos to iStockphoto. Note: Images must be RGB JPG format only.