I can't seem to find any info anywhere on how to do it, but I want to create geo-targeted banners that would display a city determined by ip similar to the adult friend finder ads you see. Anyone have any idea how to do this or anywhere that explains how it's done?
I use maxmind.com GeoLite Country for geo targeting on a country level - it's not perfect, but it's free. http://www.maxmind.com/app/geolitecountry If you really want to target cities, they also have a free city database (see coverage here), and also a more accurate pay version. http://www.maxmind.com/app/geolitecity I haven't used the city version, but the country version simply returns a two letter country code that you could use to populate an img file name (e.g banner-us.jpg).
Thanks, I'm aware of the maxmind databases, but what I really want to know is how to create geo targeted ads using the database. For example, on the front page of my site it would show a picture of a person and under the picture it would propogate a city and state based on the visitors ip. I've found a site called geoadult that allows you to build graphics that will use this technique but it cost's over $100.