Referral program - technical question

[xeroc]

?r=accountname

i.e.

http://bitshares.org/?r=xeroc

[carpet ride]

Hey guys, what do I need to put before or after a link in order to have a Bts account linked to a referral?  Currently I am trying to do one for my blog, CertainAssets.com, that links to BitShares.org.

Btw, should we put up a referral program sub forum?