Magento Blog Add On

I have a Magento website using ver. 1.7.0.2 and require extension for a blog site. The blog site should be designed to our website basic theme and include the following features. 1. SEO friendly 2. Magento WYSIWYG editor 3. .htm rewrite added to post link 4. Ability to duplicate posts 5. Toolbar functionality for blog posts and comments 6. Post will be need to be approved before it is displayed. 7. Related post blogs And all other common blog features. YOU WILL NEED TO EXPLAIN how your blog will work and if you are going to be using any blog software’s. Please look at the attached txt file that shows a similar blog site we are looking for. OVER PRICED BIDDERS WILL AUTOMATICALLY BE REMOVED