Guest posts required for new social network website in beta testing

Hi, we need guests to subscribe to our new social network website and register for accounts, allowing them to then post a news story or just an image. These posts would ideally be from across the globe. If you can help perform this task within the next 2 weeks please contact us to agree a fee. We are looking to get a minimum of 40 posts loaded for SEO purposes Any other comments regarding the sites performance and user experience will be appreciated.