CompactRSS

This plug-in makes it possible to exclude certain parts of your posts in your feeds.
It uses the filterhooks the_content (in combination with is_feed()) and the_content_rss.

You have several options to determine what must be excluded; you can hide everything after the More-tag and/or hide everything between and
Since update 1.1 you may use multiple CRSS-tags in a post.

1. Uploaded the extracted folder to your WordPress plug-ins directory
2. Activate the plugin through the ‘Plugins’ menu in WordPress
3. Edit the CompactRSS settings (Settings, CompactRSS).

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1. 

   CompactRSS 1.0 Settings

1.1

• Changed the filter so it is possible to use multiple CRSS-tags in a single post