@Mikey
1. Download (La)TeX2MathML V1.0.1 for CK V4.3
2. Make "texzilla" folder under "qa-plugin/ckeditor4/plugins"
3. Upload files under "src" to "texzilla" folder
4. Goto Admin > Plugins > CKEditor4 options
5. Add button into "Toolbar buttons" option (e.g. "['texzilla'],")
6. Add plugin into "Other configuration" option (e.g. "extraPlugins: 'texzilla'")
Example options:
['texzilla'],
['Bold','Italic','Underline','Strike'],
['Font','FontSize'],
['TextColor','BGColor'],
['Link','Unlink'],
['JustifyLeft','JustifyCenter','JustifyRight','JustifyBlock'],
['NumberedList','BulletedList','-','Outdent','Indent','Blockquote'],
['Image','Flash','Table','HorizontalRule','Smiley','SpecialChar'],
['RemoveFormat', 'Maximize']
---
toolbarCanCollapse:false,
removePlugins:'elementspath',
resize_enabled:false,
autogrow:false,
entities:false,
extraPlugins: 'texzilla'