Search higest keyword using adwork keyword tools then
make site/articles etc using those keyword ...
you will get more..

adsense is much better the AdBrite
But depend on your site ...
like if your site user dont like to click on ads ... then AdBrite popup is better

wooow 99.44 ... those ppl get that ads in there publisher site will get richhh :)

Another thing u can do ..
take a good topic and make a site with blogspot
and the add some goood articles and use any good PPC ads in your site..
and then do some good SEO/Advertisement/link exchange/link Submit etc ..