You can easily change the appearance of RSS feed in your WordPress site. For Example: You can add images, read more link, category list, tag list and any custom code before or after the RSS feed items.
Even you can delay your RSS feed publication for several minutes, this becomes very helpful in times you make mistakes because you get time to fix errors before your content get published via RSS to other online services and social networks.
How To Customize RSS Feed ?
First install and activate RSS Manager plugin.
General Plugin Settings:
Custom Code Settings:
After activation visit your admin area Dashboard -> Settings -> RSS Manager and here you will find various RSS feed customization options and features, see the given screenshots