1 - NuffNang advertisement. You can register an account at www.nuffnang.com.my to start earning money. Kenny Sia is making about RM12,000 per month by using NuffNang. Reference > http://forum.lowyat.net/index.php?showtopic=1159920&hl=nuffnang

2 - Google Adsense. You can register an account at www.google.com/adsense to start earning money. Jeremy Shoemaker from www.ShoeMoney.com makes around USD133,000 per month. Reference > www.adrianblog.com/web-development/how-much-can-you-earn-with-google-adsense.html

3 - Chitika. You can register an account at www.chitika.com to start earning money. A people earn USD17 from Chitika as the picture below shows the proof:

4 - Linkbucks. It is a website that convert any of your website/blog link into payable link. Meaning if people click on the link to go to your website, you will earn money! Reference > http://forums.linkbucks.com/showthread.php?t=9225 and http://forums.digitalpoint.com/showthread.php?t=1133891 and http://forums.linkbucks.com/showthread.php?t=1548.

5 - Advertlets. You can use Advertlets.com to earn money too but I read a bad comment about Advertlets company cheat money recently > www.spblogger.com/2008/05/10/advertletscom-beware-of-this-online-advertising-company

6 - Write review on particular website, you can charge them RM9/USD2.5 per word, and you can write 1000 words in the review. But of course your blog must have at least 300 visitors per day. Then only people willing pay RM9 per word for you to write review on your website and show the review on your blog. Reference here: http://forum.lowyat.net/index.php?showtopic=1240335&hl=blogging