Blog is a vital way for both your money and also your popularity but everything is depend only your blog information , quality and user friendly.
Actually there are many ways but depends on what you have in your blog. If u have music and movies you may go for affiliates so i suggest you pm your blog and will let you know how you can make most of it
signup with Google ad-sense and place their ads on your blog. You will be paid for each click on the ad.
If most of your traffic is in the United States, you might want to try Adfly. It's basically a url shortener service that shows a 5 second ad before somebody is redirected to another website.
We are a network directory portal. If you are interested to advertise your banner, blog posting, email broadcasting. So please add me on skype
Try to find an affiliate offer related to your niche or a cpa offer and recomend it to people in your post .also put a capture page to get emails and buld your audience
Just try maxbounty, peerfly etc. Go to Affpub site select network find the network and join. All network are on Affpub network directory.
You can do some kinds of advertisements connected to the topic of your blog. Moreover you can do guest posts in your blog, people will pay you for that.
you may try to advertise some related products and services which your target audience might ne interested in.