there are many ways to earn money from your blog. most blogs have unigue sistem and methode, so that up to you to pick up one of the sistem i thing one or more sistem must be giving earn money. just don't forget , be pation and learn more from another bloggers, beside adsense you can try other CPC advertising, there are a variety of other ad system that pay per click, here they are :

AdGenta,
CrispAds,
Clicksor,
Intelli Txt,
Peak Click,
Double Click,
ADHearUs,
TexAds,
AVN,
Target Point

in addition to the above syatems are many other advertising options i've not had experience with and so won't personally recommend