If so, this is it:

http://cgi6.ebay.com/ws/eBayISAPI.dll?MfcISAPICommand=ViewListedItems&userid=wimpys&include=0&since=-1&sort=2&rows=0

Copy and paste the entire string into the Optional Link URL box but only have one "http://"

If this is not what you needed, then I am at a loss.

Jim