The plugin enables any user to modify the default order by which posts are ordered when they are displayed on any page of their blog.
This section describes how to install the plugin and get it working.
Download the custompostorder.zip file to a directory of your choice(preferably the wp-content/plugins folder)
Unzip the custompostorder.zip file into the wordpress plugins directory: 'wp-content/plugins/'
Activate the plugin through the 'Plugins' menu in WordPress
To set the order access the WordPress Manage->Custom Post Order link, for 2.6 and Tools->Custom Post Order link, for 2.7