Do you want to add some information or promotional offers in your RSS Feeds which your visitors can read. Using Google Feedburner you can easily setup and send your latest posts automatically to your readers through email, though there is no option to customize these emails. The only option Google offers is adding Adsense to feedburner which is one of the best way to monetize this traffic. Here is another excellent wordpress plugin which allows you to add footer content to the existing feeds without doing any coding or tweaks. Just upload and activate the WordPress Plugin and visit the /wp-admin/options-general.php?page=rss-footer page to get a list of all the options.
You can use the following variables within the content, they will be replaced by the value on the right.
* %%POSTLINK%% : A link to the post, with the title as anchor text.
* %%BLOGLINK%% : A link to your site, with your site’s name as anchor text.
* %%BLOGDESCLINK%% : A link to your site, with your site’s name and description as anchor text.
Sample of Feed Footer Plugin :

You will be given with a input box where you can add any advertisement code, copyright text, subscription option or any announcement which can be read by your readers. Once this is done, the preview box below shows you a instant preview on how the Feed Footer would look like. A Excellent plugin for people who are looking a simple option to add ads to their feeds and make money easily.