HIGHLIGHTED WORDS--No GRAY box
In your selected theme's folder, check the config.php file and change this variable to grey. (This # is for light blue).
$THEME->autolink = "#dfeef6";
then change the styles.php file in the same theme folder to something like this:
I hope this helps.
In my case, I have noticed that the highlights to do not always appear depending on the browser.
I have IE 6.0 at home and the links are only visible when I hover over them, and in work, they appear with either IE5.5 or Netscape...
Would anybody know why? I have checked my Internet options and could not find anything...