Usage:
<pre> 
<code class=”python”> 
// Put your code here. 
</code> 
</pre>
Supported Code classes: 
PHP, Phyton, Java, Javascript, Delphi, Css, HTML, HTML+Django and more…
<h3>Arbitrary section</h3>
<h3>A brief Markdown Example</h3>

Dojox WordPress Syntax Highlighter

Free syntax highlighter written in Java Script as Wordpress Plugin.

sigalitam

Just highlight is a WordPress plugin for highlighting text in your posts or pages, and easily create beautiful posts that highlight what really matters to your readers.
How to use? 
* Select the sentence you want to highlight with the cursor. 
* Click the Just Highlight button at the top of the post editor. 
* Save the post. 
* View the post and be amazed from the animation of the highlight as you scroll down the post.
You can also: 
* Choose the text highlight background color. 
* Choose the highlight speed animation (Slow, Normal, Fast, Very Fast). 
* Choose YES / NO to activate or disable the highlight animation.

Just Highlight

Just highlight - Select the text you would like to highlight, click the highlight button and save the post.

Dojox WordPress Syntax Highlighter vs Just Highlight