Rafa Poveda

Mecus Consultores

Rocio Valdivia

The plugin gives the option to select the size of the post thumbnail in the feed as:
<ul>
<li>Thumbnail</li>
<li>Medium</li>
<li>Large</li>
<li>Full</li>
</ul>
To change the size of those images, you can do it in Settings -> Media ( http://example.com/wp-admin/options-media.php )

Post Thumbnails in Feed

Adds your post thumbnails to your feed and select the post thumbnail size to show.

Evan Herman

Code Parrots

The Timeline Express HTML Excerpts add-on will create a new WYSIWYG metabox on Timeline Express announcement posts. This new field can 
be used to generate a custom excerpt for your announcements. The new WYSIWYG custom excerpt field allows for HTML to be used in announcement excerpts, 
and has no limit to the length.
Features: 
* Enable a new ‘Announcement Custom Excerpt’ field. 
* Use HTML markup in your announcements without it being stripped. 
* Display images, videos etc. in announcement excerpts on the timeline. 
* No limit to the length of the HTML excerpts.

Timeline Express HTML Excerpts Add-on

Enable a new HTML Excerpt field on Timeline Express announcements, which can be used to replace the default generated excerpts.

Post Thumbnails in Feed vs Timeline Express HTML Excerpts Add-on