A lot of affiliate programs like Fortune Affiliates or RichWebmasters may give you advices of SEO, they usually send tips of SEO in their newsletters, but nobody will do this work for you.
I don’t know any affiliate programs that will optimise your site for search engines, they only can help you by giving some useful advices.
Read SEO articles and you’ll understand that it’s too easy to do it by yourself than waiting for free worker who will optimise your site for search engines.