I was experimenting different themes with my BlogEngine blog and noticed not all of them show the correct color coding of my source code examples. There is a simple fix for that which is to copy the section of style.css file related to "Syntax Highlighter" from a working theme to the style.css of the theme you like. That should do the trick.
I thought this may save someone a little time:
WHen using BlogEngine.net as your blogging tool, you can format your code using one of the extensions which comes with the tool.
some of the things to remember: More...