en http://www.svenkauber.com/blog/adding-thumbnail-generation-to-ckeditor Image resizing of CKEditor functions only by using CSS. I added an Ajax-enabled thumbnail generation button to the editor. http://www.svenkauber.com/blog/making-custom-skype-buttons It is not possible to select transparent background for Skype buttons. That can be fixed by using the Skype status API.