Sponsored Reviews
Sponsored Reviews connects bloggers with advertisers so that all parts involved can gain. Advertisers will gain exposure, Bloggers will be rewarded for their time and opinions. Start earning money by writing honest and personal reviews about products and services provided by advertisers. Easy Sign-up. Get paid by Paypal.
LinkWorth
Unlike some other services, LinkWorth pays their Partners up to 70% for each post written. As a LinkWorth registered blogger or partner, you'll get access to thousands of advertisers hungry for reviews.
You'll receive payouts monthly by check, PayPal, direct deposit, or Wire. LinkWorth is an easy way to sell paid blog posts. You can also earn by referring new partner accounts and new advertiser accounts. Click here to JOIN
ReviewME
ReviewME allows you to generate revenue by reviewing products and services of your choice.
Social Spark
Social Spark is the newest and I think the best of them. All you have to do is to follow a simple step by step registering process (fast, easy, free) set your price and just wait for the offers from advertisers to show up into your inbox. Don't feel obliged to write about anything you don't like. (You don't want to taint your blog) Just wait and be patient until the right offers come to you. Write with passion and you'll be paid handsomely into your Paypal account. Register here
Sverve
At Sverve, you can unleash your social verve, pinterest style with the added benefit of being endorsed by other bloggers and spotted by the big brands looking for new ways (paid reviews) to promote their products and services.