Adding adsense to wordpress blog can be very time consuming. Especially if you want it to be on every page and post on a huge wordpress website.
You will need to edit the templates of the website which is too risky if you don't know what you're doing. So here's a quick tutorial for those of you who don't have any coding skills and don't want to waste time on something that could be done very quickly.
http://wplightbulb.com/course - Stop Leaving Money On The Table.