Big Tip on improving HTMLEditor application.
I don't know how many of you struggle with this, but I have always struggled to get the css in the editor to match the website.
I just posted a tutorial on how to make it easier on my blog.
make-htmleditor-ckeditor-css-match-your-website
WARNING: THIS INVOLVES CHANGING CKEDITOR CORE FILES. DON'T FOLLOW ALONG UNLESS YOU HAVE THE STOMACH FOR IT. BACKUP EVERYTHING.