How can I set my Greasypalm Account so | get my money go into my Account?

I joined a Cashback site called Greasypalm a while ago and a Friend helped me set it so I recieved Vouchers when I got to the required amount but now I want to change it so I can get money go into my account or if the option is available my paypal account and I don't see my friend as much so want to do it my self.How can I set my Greasypalm Account so | get my money go into my Account?
Check here in their help section.

http://www.greasypalm.co.uk/helpdesk.php

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