If anyones interested.....I have created a downline club script.
Its written entirely in PHP, Using MYSQL database

You can use it to advertise your referral links from MLM programs, Traffic Exchanges, In fact anything, Its only limited to your Imagination

GENERAL FEATURES
Written In PHP With MYSQL Database
Email Confirmation, Members Must Click Link In Email, To Validate Membership
Unlimited Free Flow Through Of Links Through All Levels
Easily Change The Look And Feel, To Make It Personalised
Members Use Their Own Usernames
Password Search By Username, Which Gets Sent To Email Address On File
Sends A Welcome Email To All Members On Joining
Easily Installed
Can Be Installed Into Any Directory

ADMIN AREA
Seperate Admin area, For Extra Security
Easily Set Up Categories And Programs
Re-Order Categories And Programs
Reset All Programs To Your Own Personal IDs At Any Time
Search Entire Downline
Delete Users
Backup Database
Contact All Members Via Email
Hit Counter For Each Time Your Link Is Clicked
Optional Guestbook
USER AREA

All Users Have 2 Referral Links, To Promote The Pages They Want To
View Downline
Hit Counter For Each Link Clicked
Members Can Choose To Accept Email From Upline
Members Can Send Email To Downline

A full online demo is available here
http://www.phpdownline.com