first you have to get significant traffic...then you need a little luck so they click your ads my blog have approx 50 unique visitor/day but only made $6.88 for 3 months
This is a huge topic for discussion so the best advice I can give you is go to my blog and read the content related posts; you will understand that even blogs have huge potential; it is very hard to reach, requires a lot of work and time, but it is possible; I'll have the resources section started soon and I'll explain there what steps you need to follow to do it. Untill then...happy AdSense earnings!
DONT GET FOOLED INTO THE ADSENSE SCAM . . . there are tons of other ways to generate money on the internet . . . but BEING NEW WHAT YOU NEED FIRST IS TRAFFIC ! Then you control the advertising board . . .