By putting already-critiqued ads in other webmasters' sites. The more ads you have out there, the more who come to your site.
Search engine traffic is the best traffic for all type of sites and blogs. my advice is to go with Search engine optimization (SEO)
For targeted traffic take a look to PPC advertising. For free traffic, social bookmarking, forum signatures, SEO, link building. And patience!
Really, Giamatti? So, what's your url and what page in a search are you on, and under which keywords?