Vivvo designer Required

I would like a Vivvo expert to add on additional features and plug ins to my site. The web designer who accepts this project should be able to resolve a registration issue i am experiencing, users are unable to register on my website. The following plug ins and features required: Submit a Story Review Mobile / PDA Simple Machines Forum Newsfeed Importer Poll The following Features required: Photo Gallery: Users should be able to upload(with restrictions that apply) All features should be added to the admin panel.