All JPG images are stored externally to the SWF. JPGs must be non-progressive images. 100% of the Flash 2004 source code is included, as well as an external XML configuration file, which can be edited using any good text editor, like Textpad. Image URLs are externally configurable via an XML configuration file, which is easily editable with a good text editor. Delay and URL target options also exist for all image rotators. DTD file is included to help validate your XML using XMLSpy or other XML validator. (optional)