AH Formatter / XSL Formatter
Q&A

You have to write the reference file in <fo:external-graphic src="url(URL of the file)"/>. Some graphic files such as WMF, EMF is shown without Internet Explorer, but for other Graphic files, you have to install Internet Exploler5.0 or later, install the plug-in for your file format. Remember that it may not work well according to the plug-in.