Affiliate link in Google SERPs

Is this usual?

[Marketing Guy]

I just found an affiliate link (tracking ID, etc) in the SERPs.

Has anyone seen this before? Ive never come across it.

No big deal - it's buried on page 13, but still - how'd it sneak in there?

And is Google getting the commission?

Scott

[sullen]

I've seen this (an affiliate link to my site) and so have others (another thread somewhere) - apparently it depends on the PR of the page being linked to and the PR of the page doing the linking.

However I've just remembered that we *did* have an application from Google to our affiliate scheme (via commission junction) - must test out who the affiliate link belongs to!