eBay seller bravosixx has multiple eBay listings that stuff eBay Partner Network affiliate cookies. Here’s one: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=300246242550
Bravosixx is using the HTML object tag to force the cookie. Tracing the header info when the eBay listing loads, you can clearly see this http header roll by:
Bravosixx is also a pulser. This listing for a “Real live ghost! Trapped in a box!” has 1,135 watchers.
You can see the latest watcher count on this page: http://watcher.esellerstreet.com/?page=watchitem&ebayID=bravosixx
Cookie stuffers on eBay are annoyingly short-sighted. The trick never lasts. They will get caught soon and it makes my job of complying with eBay rules more difficult.