You can add Adsense ads to your website through FeedBurner.
"Monetize tab" in FeedBurner facilitates adding Adsense ads to your websites. This feature is a boon to people who doesn't have the technical knowledge to add adsense code on to their websites.
To set the Adsense code via FeedBurner follow the below steps.
1) Sign in to your FeedBurner account
2) Select the feed to include the Adsense ads.
3)Click the "Monetize tab."
4)Connect your Adsense account with FeedBurner account.
5)FeedBurner will guide you to complete the process.