Need 1000 unique people to join website

Requirements: 1. Deliver 1000 unique people from USA, UK, Australia, New Zealand and Western Europe who join my website (free to join). It is an adult glamour and nude photography social networking site. 2. They are required to join the website and complete the required information (should provide valid email, username, password, but not credit card). 3. They should should be new members to the website. (Their IP will be detected seriously.) 4. If you can master this task, We hope you can continue to provide this service to us. 5. The payment is only via the Freelancer.com and payment is 14 days after completion 6. Your target of 1000 members is calculated from a query on our membership database. You agree for us to carry out this query and report the total to you. We subtract members that sign up from our other marketing efforts not connected to this project. PM us for details if you are unsure about this. 7. Optional! If you can get at least 100 of those new members to actively post photos to the website we will pay you a bonus of around 15% - the exact figure will depend on how happy we are with the photos. They must be by new members who joined from your project. The exact amount of the bonus and whether we choose to pay it at all is at our discretion depending on the number and quality of the photos.