Ok, we just updated the plugin, so you may want to update before making this change because you will have to edit the plugins output so any future updates we push out you will want to either by-pass or back up your changes first so you can re-apply them after the update, but honestly I don’t see us updating this plugin anytime soon since we just updated it.
Since you are using the text based shortcode you will need to edit the cr3ativ-recentposts.php
Look for this:
$output .= ‘<div><h2 class=”recentposts_carousel”>‘.$temp_title.’</h2><p>’.$temp_excerpt.'</p></div>’;
and change it to this:
$output .= ‘<div><h2 class=”recentposts_carousel”>‘.$temp_title.’</h2><p>’.$temp_excerpt.'</p><p>Continue Reading</p></div>’;