A simple plugin to properly include css and javascript files into a WordPress site. * -(these files won't be minified and concatenated unless you use WP Total Cache or something similar.)

myplugin.php

<?php
/**
 * @package MyPlugin
 * @version 1.0
 *
 * Plugin Name: MyPlugin
 * Plugin URI: http://myurl.com/myplugin
 * Description: A simple plugin to properly include css and javascript files into a WordPress site.
 *   -(these files won't be minified and concatenated unless you use WP Total Cache or something similar.)
 * Author: Jason Rhodes
 * Version: 1.0
 * Author URI: http://jasonthings.com
*/

// Note: Always prefix your plugin function names, constants, etc.
// For more on why, see Nacin's article: http://wp.me/pQEdq-2B

define('PREFIX_MYPLUGIN_VERSION', '1.0.0');
define('PREFIX_MYPLUGIN_PLUGIN_URL', plugin_dir_url( __FILE__ ));

function prefix_myplugin_init() {

    /* First, learn about how to register scripts and styles, 
     * how to register dependencies, the difference between the handle 
     * and the filename, etc.
     * http://codex.wordpress.org/Function_Reference/wp_register_script
     * http://codex.wordpress.org/Function_Reference/wp_register_style
     */

    // If you have CSS to include, drop the css files into your plugin directory and queue them like so:
    wp_register_style('prefix_myplugin.css', PREFIX_MYPLUGIN_PLUGIN_URL . 'myplugin.css');
    wp_enqueue_style('prefix_myplugin.css');

    // For JavaScript files, drop the .js files into your plugin directory and queue them here:
    wp_register_script('prefix_myplugin.js', PREFIX_MYPLUGIN_PLUGIN_URL . 'myplugin.js', array('jquery'), "1.0.0", true);
    wp_enqueue_script('prefix_myplugin.js');

}
add_action('init', 'prefix_myplugin_init');