ykawato

Returns the excerpt outside the loop. 
Usage:
where <code>$attr</code> is an array with any of these keys:
<ul>
<li>num_words: number of words </li>
<li>more: replacement for […]</li>
<li>length: number of letters to display, userful for multibyte string</li>
</ul>
Example: 
 ’55’, ‘more’=>’.. Read more’));?>

Return Excerpt

Husain Ahmed

This plugin remove extra p and br tags from the_content, the_excerpt and widget_text_content.

Empty P Tag

This plugin is very easy to install and use, there are no extra setting to do.

Easy and best performance

This plugin hides empty paragraphs and make your butyfull design without breaking design.

Return Excerpt vs Empty P Tag