1) If you have fb_app_token.php rename it to fb_app_token.html
2) Download the latest zip at code canyon,
3)Replace the /css/ /js/ and /templates/ folders in /jQueryFacebookWall/, with the new ones from the zip
4)If you are using the unminified version of the plugin you may need to include language.js (old versions may not have it)
<!–load the language translation file –>
<!–load the ejs templateing engine–>
<!–load the facebook wall plugin–>
Remember keep your original fb_app_token.html it has your app token.