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Dreamstime is one of the sites that Pays you for the information you provide - Images. It requires quality photos or images to make sure that the customers will be interested with the photos. Aside from the regular requirements of model releases for people, free of copyrighted objects, dirt and noise, Dreamstime requires that photos should be 3 megapixels or more in size, RGB formatted and with the highest JPG quality of 12.
Payment per download of any images or photos varies from $0.50 to $30 and if you want to sell the right, you will get 50% - 60%. Exclusive photographers also receive $0.20 bonus per approved submission.