This plugin enable syntax highlighting of code snippets in your post using Google Code Prettify.
- More styles.
- Colors can be customized.
- The js/css files can be pre-loaded or post-loaded.
- No js/css files are loaded if there is no code.
- Upload the full directory into your wp-content/plugins directory
- Activate the plugin at the plugin administration page
- Open the plugin configuration page, which is located under "Settings -> WP Code Prettify" and customize settings.
You can download WP Code Prettify from WordPress.