In your config.xml, you need to add the following preference
`<preference name="splashscreen" value="foo" />`
Where foo is the name of the splashscreen file. Preferably a 9 patch file. Make sure to add your splashcreen files to your res/xml directory under the appropriate folders.
To install this plugin, follow the [Command-line Interface Guide](http://cordova.apache.org/docs/en/edge/guide_cli_index.md.html#The%20Command-line%20Interface).
If you are not using the Cordova Command-line Interface, follow [Using Plugman to Manage Plugins](http://cordova.apache.org/docs/en/edge/guide_plugin_ref_plugman.md.html).