Alamy allows contributors to upload photos and illustrations for sale on their website, with a generous 50/50 commission split. Students get 100% of the commission from their sales for two years from when they sign up! Once you upload your images to Alamy you can also choose to distribute it on their network to access millions of potential buyers throughout the world.
123rf.com offers up to 60% commission to contributors who upload photos, videos, vectors and audio clips for sale on their site. They work on a credits system and the more credits you sell, the higher commission you earn.