This could all be done through yahoo usually. Use the various motors like google and input keywords like "dropship" and specific keywords to your category you are thinking of advertising for example "electronics"!
So in order to to be different and specialize. http://www.Mybloop.com/__media__/js/netsoltrademark.php?d=Www.medialist.cc%2Fdelete-company%3Felement%3D%2F%2Fdawndundalli53968.Wikidot.com%252Fblog%253A46