In the input/epub folder, the test_epub.xml file. See the bookinfo element contains a cover element with a mediaobject in it. Another mediaobject has been added right after the title of chapter 1. The images must be available from the input/epub/images folder.
In the input/pdf folder, the test_pdf.xml file. A mediaobject has been added in chapter 1. A hard-pagebreak has been inserted ahead of the second section in chapter 1 in order to force a page break.
In the input/pdf/images folder you should have the cover and backcover images.
In the input/webhelp folder, the test_webhelp.xml file. See a mediaobject element has been added after the subtitle and another mediaobject in chapter 1.
In the input/webhelp/images folder a number of images can be found. They are used to implement the navigational icons and other graphics.