Yes, it's very helpful if you click through the link. Assuming you're going through LEGO S@H, just click that banner up at the top to enter the LEGO site, then shop as normal.
"Always carefully check the source of your internet quotes" - Abraham Lincoln
It's a pretty standard referral program so far as I understand. You click the link from our site with the special url, like http://click.linksynergy.com/fs-bin/cli ... =4&subid=0 from the banner up there, then when you make a purchase during that visit the system tells them where the original click came from, and we get a couple pennies.