First of all, make sure you always download the latest version. If you just bought the module, you already have the latest version.
– Joomla! v1.5.x, Joomla! v1.6.x latest stable version is highly recommended.
Select Categories or Sections: Here you can choose categories or sections from content component for the module.
Show order of one article when showing module: This param is used for theme 1.