We just released a Premium Membership system based on PayPal payments and Nuevoplayer Watch Time Limit.

If user not a Premium Member - can watch only a part of the video (admin decides of watch time limit).
With one click user can pay to become a Premium Member.
Can be used to limit all videos or videos from ONE choosen category.
Premium membership can be lifetime or based on PayPal's subscription (week, month or year)

Each Paypal transaction is processed automatically. No further action is required from Admin.
After payment all settings are updated automatically, additionally each transaction full detail is stored in log file.
You just watch only how money arrives

Read more: http://www.clipshare.nuevolab.com/premium

Thanks.