100 wordpress blogs on your domain with the keywords of your choice on a theme optimized for google adsense ads. The blogs auto update so you don't have to do anything really. This is for mainstream but definately makes money. Can be anything but no porn, gambling type stuff.
$49 setup and $9.95/month hosting.
Signup for Google Adsense here. Then hit me up.
icq - 156131086
aim - bmsssi
bcyber at gmail dot com