Their gallery setup is pretty weird. They do two redirects before ending up at the final gallery url.
The link you posted is the final gallery url.
The initial gallery url would be this:
Code:
http://galleries.hayleyssecrets.com/photos/pool-house/2587500
Notice the missing "galleries/".
That url redirects to:
Code:
http://refer.ccbill.com/cgi-bin/clicks.cgi?CA=935856-0000&PA=2587500&HTML=http://galleries.hayleyssecrets.com/galleries/photos/pool-house/2587500
Which then redirects to the final url:
Code:
http://galleries.hayleyssecrets.com/galleries/photos/pool-house/2587500
So your ccbill id is captured and is included in the ccbill signup page.