SyntaxHighlighter Plug-in for Tinymce 3.X WYSIWYG Editor
SyntaxHighlighter Plug-in for Tinymce 3.X is ready now. I
don’t know why tinymce development team had to change the
way of writing plug-in for the tinymce, they say it’s more
modular. What bothered me really is that there is no
backward compatibility. That’s you must upgrade (Actually
it’s rather migrate) your plug-in to the new way.
Anyway,
I have upgraded the plug-in I talked about
here, to work on tinymce 3.x. To get it running on your site
please use the attached file in this post and follow
the same instructions on this
blog entry.

Hope this helps