How to install ckfinder outside the ckeditor module folder?
maybe this helps:


  This module allows you to use CKFinder with the WYSIWYG version of
  CKEditor. This module requires both the libraries and WYSIWYG modules.
  Please read the installation instructions carefully.


found here: https://github.com/jrsinclair/Drupal-WYSIWYG-CKEditor-CKFinder-bridge

Update 21 August 2012 This module has now been published on Drupal.org. You can find it at: http://drupal.org/project/WYSIWYG-CKFinder