Grid Columns Media Button
Adds a media button for the Grid Columns shortcode plugin to easily add the [column] shortcode to the post editor.
Jayj Quicktag
Allows you easily to add custom Quicktags to the post editor.
Twitter Profile Field
Adds an additional field to the user profile page where the user can enter their Twitter username.
Youtube Profile Field
Automatically display your latest Youtube videos on your site. Comes with the shortcode [youtube-user] to be used in posts and pages.