They offer the standard 2:1 ratio, though you can accept cash in lieu of having your banner displayed.

BannerWeb's distinction is that they allow you to submit up to seven different banners, which they will track and see to it that the most effective banner of the bunch gets the most exposure.

Your site must receive a minimum of 5,000 page views per month, and sites that are hosted by free page services (e.g., GeoCities, Tripod, etc.) will not be accepted.

ContentZone has a unique method of payout. Your share from a pool of cash is determined by the percentage of your hits from all the hits of the participating members.

A typical ad from eAd:

And the optional eAd referral button:

Requires web sites to provide Flycast no fewer than 100,000 impressions per month.

Here's a sample of a banner swap service. You show their banners on your site and they pop your own banner into their rotation. The amount of exposure you get is based on how many clicks their banner gets on your site.

Member of GSAnet Banner Swap

Based on the information above the banner,if you say you saw the Mikey's Stuff banner somewhere, Mikey will think you're a real joker.
GSAnet's big attraction is its favorable ratios. Under some conditions it gives you a 1-to-1 ratio. The best that most banner exchange services can offer is 2-to-1.

A popular banner exchange service.

Probably the most popular banner exchange service.

Offers a ratio of 10:7.

Net-On`s Banner Exchange - Targeted Advertising

Net-On offers the unusual ratio of 4:5.

No click ratios here. PennyWeb says it will simply pay you for clicks on their banners from your site.

Host banners on your site - Earn money from banner advertising through SAFE Audit. Choose the advertisers and banners you think will earn the best rates. Get paid per click, per lead, or per sale.

Another very popular banner service.

Free Guaranteed Traffic--traffic^x

Two things make trafficX stands out; 1) a guarantee of traffic to your site, 2) the border around their login screen.

They don't accept sites on free web hosts. That rules out Mikey.