Copyright and Contact Details in Your Feeds
Adds a copyright notice to your RSS and Atom feeds, plus optional editor and webmaster contact addresses, which feed directories and readers show alongside your feed.
Snippet Library
RSS Feeds snippets for WordPress
Snippets for WordPress RSS feeds: add featured images and custom post types, delay publishing to feeds, credit your site on scraped content or turn feeds off. For publishers and podcasters whose readers follow along by feed or email.