this is a free way to promote your webstore, I use it for my blog and have already added my ebid url.
You visit and review other people sites and in turn they visit and review yours
I must admit that it is a bit boring as it takes about 25mins, but the upside is it increases traffic, slowly but surely and any traffic is better than none.
you can fin out more here http://www.linkreferral.com/adwel.pl?oldrefid=327451