BBpress is light weight forum created by makers of WordPress. It’s easy to install and has the same interface as WordPress.  Displaying Adsense ad within bbpress takes about 2 minutes.

Follow the steps to display adsense ad just above and below the Page Navigation

Sample Adsense in bbPress

Steps to Insert Adsense Code in bbPress

Instructions below is for the default theme kakumei.

• FTP into directory where bbpress forum is installed.
• Navigate to /example.com/bb-templates/kakumei
• Open the File topic.php
• Find the following line of code that contains php_topic_pages (array…… )
• Insert the Adsense code just below that  line
• This will display the ad above the forum topic, before posts starts
• To insert the ad after the posts (before navigation page)
• Insert the adsense coede below the line that contains “class=rss line…..php topic_rss_link”
• Refresh the Topic in the fourm and you should see the ads.

There are 2 plugins that will allow to insert adsense code in bbpress. If you want to insert the code between posts then use adsense for bbpress plugin.