Let's see, 75 cents per signup:
http://www.freeezinebucks.com/ps.php?s=FEB&u=splatt
About $1 per free signup:
http://www.wegcash.com/?wm=splatt
yeah, I suspect so.
Check to see the links. If they have link codes in them (ie: not just a link but have a referal code in them) then you are looking at a paid link.
Let me rephrase the question: Why would greenguy want to give you signups for free?
Alex