Creating a basic templateDetails.xml file

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE install PUBLIC "-//Joomla! 1.5//DTD template 1.0//EN"
 "http://dev.joomla.org/xml/1.5/template-install.dtd">
<install version="1.5" type="template">
        <name>mynewtemplate</name>
        <creationDate>2008-05-01</creationDate>
        <author>John Doe</author>
        <authorEmail>john@example.com</authorEmail>
        <authorUrl>http://www.example.com</authorUrl>
        <copyright>John Doe 2008</copyright>
        <license>GNU/GPL</license>
        <version>1.0.2</version>
        <description>My New Template</description>
        <files>
                <filename>index.php</filename>
                <filename>component.php</filename>
                <filename>templateDetails.xml</filename>
                <filename>template_thumbnail.png</filename>
                <filename>images/background.png</filename>
                <filename>css/style.css</filename>
        </files>
        <positions>
                <position>breadcrumb</position>
                <position>left</position>
                <position>right</position>
                <position>top</position>
                <position>user1</position>
                <position>user2</position>
                <position>user3</position>
                <position>user4</position>
                <position>footer</position>
        </positions>
</install>