If you do arcades, then you probably have dealt with traffic exchanges (they're not as evil there as with other niches). Here's one of the offers I got in the email today if you can use it.
We are offering a traffic promotion for our valued topsite members! Simply join our banner exchange using the code below and receive 15000 free impressions when you place our code on your arcade site.
Easy Banner Exchanges
This coupon is only good for 5 days so don't miss out on this special offer. Join us today!