The plan "PPD" yet exists only in the following form: if our service has advertisers, we add advertizing on pages of free downloading (free users view ads while waiting for the download) and if the user clicks advertizing, the webmaster, on the link which the user came from, receives 50 % from the cost of the click. Also the webmaster can add an own code of advertizing in an account (advertizing passes a premoderation).
It will be possible in the future that the plan "PPD" will be the same as well as on the other file sharing services, however not today it is exact.
In any case the webmaster receives at the same time: 50 % from all sales + 10 % from all sales from the own site + 50 % from the cost of a click of the advertiser.