hi plz tell me, how should i insert the adsense on my feed.? and tell me is it against the TOS or not. because i have seen popular websites using this method note: for blogspot http://alisoft7.blogspot.com http://feeds.feedburner.com/alisoft7
As long as you use "Adsense for Feeds" to insert your ads - and your site meets all the other ToS requirements - there isn't any problem. Here are instructions on how to set it up: https://www.google.com/adsense/support/bin/topic.py?hl=en&topic=15346