Add http://www.netmagazine.com/tutorials/user-friendly-custom-fields-meta-boxes-wordpress
Add http://code.tutsplus.com/articles/the-complete-guide-to-proper-javascript-usage-with-wordpress--wp-32172
Add http://wp.smashingmagazine.com/2012/12/11/inserting-widgets-with-shortcodes/
Add http://wp.smashingmagazine.com/2013/01/14/using-wp_query-wordpress/