SEO for a site and one way links needed

Hello, I need SEO done for my site, it's a site where users can buy and sell links, the site is well SEO'd and now has quite lots of links pointing but I want you to get 100 links for each keyword, I have keywords like link exchange buy text lins sell text links buy links free link exchane I want top rankings for all the above keywords guaranteed, payments will be kept in getafreelancer escrow. Till results are reached.