Appingo

Appingo is a full service provider for publishers. They hire freelance writers to work from home and do copy editing and proofreading. Note that they are looking for writers with some previous experience and thus, you must submit a resume in order to qualify.

Associated Content

Associated Content is a site with a focus on writing (and is also listed in the Freelance Writing section), but they also accept original video, pictures, and audio clips. You can submit something on basically topic you like. AC will then review your submission and make an offer - generally between $3 and $20 - before publishing it on their site. Note that Associated Content is only available in the United States.