Advertising

This can be a good  advertising, while you get an certain amount just for the space. A bad thing is that you need an certain visit count to advertise for these people.

They pay good but they have some terms that you need to follow.

http://www.adsmart.net/

You need 500000 hits a month to advertise for this company.

http://www.doubleclick.net/

You need 1.000.000 hits a month advertise for this company.

http://www.flycast.com/

You need 200.000 hits a month to advertise for this company

http://www.simweb.com/

You need 5.000.000 hits a month to advertise for this company.

http://www.uniquemedia.net/

You need 500.000 hits a week to advertise for this company.

http://www.webrep.net/

You need 1.000.000 hits a month to advertise for this company and you have to pay 3000$.