Code syntax highlighting when using WordPress and MarsEdit

How to add code syntax highlighting when using WordPress and MarsEdit

1. Install this:
http://wordpress.org/extend/plugins/syntaxhighlighter/

2. Use Format > Customize to create a custom PRE tag class, e.g.

Other brushes:

http://basilsalad.com/how-to/syntax-highlighting-with-marsedit-on-wordpress/