Forum Posting - SEO - Link Building

We are looking for worker who can post well thought out post to forums in-order to help build back links. We have already signed up for the accounts as well as placed signatures however we need to create post that will not look like spam. This requires reading relevant threads and researching the topic and commenting on it. Requirements: Well thought out post. Looking for 2 post for each form that we provide. 100 post total Need the report of the URL where the post (links) are placed.