Community site upgrade

I would like quotes from prospective freelancers on either the whole project or individual items. Internal Messenger (Ajax or better) Invitation email for friends on external address books. Selection of Widgets with embedded logo & 4 page feed to be placed on desktop. Im looking for ongoing help with SEO & possibly some copywriting of blogs & forum threads. My community website is to be launched in a basic form within 24 hrs. I am looking for a programmer/developer to help me install a number of features. The software being used is from skadate.com. before bidding please familiarise yourself with the software. Also please include details of similar projects that you have completed.