Does anyone know how can we group all images in all posts in Wordpress blog using jQuery ColorBox plugin? I am trying to achieve ColorBox effects that group all images in the whole blog into a gallery where you can go back and forth through all these images in ColorBox.
ColorBox can only group elements that exist within your document. So if you have all the links, or whatever you use, on a single page - then yes, just group them together by setting colorbox's rel property. If you are trying to group elements that are spread out over several documents then that is not possible.