Thanks MySchizoBuddy....

MySchizoBuddy wrote:take the first slash out
it should start with plugins not /plugins

full path as below:
http://koolokamba.3322.org/plugins/sere ... editor.php

MySchizoBuddy wrote:which browser r u using
and u didn't tell me what did u enter for relative path

IE6
path:/plugins/serendipity_event_fckeditor/fckeditor/

MySchizoBuddy wrote:did u copy the included fckconfig.js file to fckeditor folder
what did u enter for relative path to fckeditor

1. yes
2. show blank page

I have downloaded and modified some config according to "Installation guide" and "Configuration guide".

But still can't view fckeditor in new entries.