Think of any hobby or interest, there will be a website with a forum for it. There will usually be a thread pinned at the top highlighting sales that members of the forum might go for. Guess which auction site is always mentioned? Here's a typical example from a car forum but it could be from anywhere:

http://retrorides.proboards86.com/in...?board=general

Just look at the number of views. What an opportunity to promote Ebid by plugging similar auctions and provide a link. Of course you may need to join to post, but that is generally very easy, and you obviously won't want to be spamming the boards, but it should raise awareness of eBid if nothing else.

Out of interest this came from a bit of research to find out why a workshop manual for a car made for only two years in the 60s and is now almost extinct has had 24 hits in four days. There surely can't be that number of Ebidders with old Vauxhalls.