Toldya is an Ad Network with some pretty big names in their inventory. They create shopping type ads that work well on sites that deal with gadgets and the like.

The have a publisher and an advertiser section. It’s free to join, and you get accepted immediately. So they are out of beta.

The widgets have a very nice look about them, and are very well designed. So they don’t look kitsch and spoil you nicely designed site.