PayPerPost.com

Pay Per Post is owned by IZEA who is the leader in sponsored conversations through Pay Per Post, Sponsored Tweets, Social Spark and Sponzai.

They connect publishers of web content, such as blogs or micro blogs, with advertisers.

Basically you sign up, put your blog (s) information and then companies or individuals will make you offers for putting up a post or link on your website / blog and you can choose to accept or counter offer.

This is a good marketplace to make some money, and more importantly you can chose how much you think your time, writing skills and web space is worth.