why you not offer for forum owners one banner who can sale premium acc after user click on it,also add something to verified owners site and number on click and refferals in my account option,you can sell large number of premium acc if offer large forum owners to sell your premium acc.
http://lumfile.com/ourbanner.html
lumzechai Reviewed by lumzechai on . LumFile.com - Official Support Thread LumFile is File Sharing Service. We have completed extend payment systems and strong server. We are BACK ! :sun: Domain: http://lumfile.com Features - FTP upload, Remote Upload, Flash Upload, File Manager (Rename, Copy, Delete, Move files, Import Files....). - Free users can download with 100kb/s and our premiums enjoy unlimited download speed. - Free user can download max 1Gb file size. - Premium User can buy with big payment method: Credit Card, SMS, Bank Transfer, Prepaid Card, Rating: 5