PPC advertising s one of the greatest ways to increase traffic to your website very quickly. Setup a buget and get the traffic you require as a on going basis or to just bring awareness of your website. here are some resources below.
Adwords - Advertise locally and attract customers with the products that they're searching for.
Adclick Media - AdClickMedia Advertising Network - Pay Per Click Advertising, online text advertising, banner....
AdHitz - AdHitz.com - Advertising Network for users Looking To Increase Their Online Presences.
YesClick - YesClick is a superior search-device that is the ultimate tool for serious advertisers!
5advertise - Advertiser: No matter what your budget, you can display your ads in our advertising network.