Functions.php sample

<?php
/** Start the engine */
require_once( get_template_directory() . '/lib/init.php' );

/** Child theme (do not remove) */
define( 'CHILD_THEME_NAME', 'News Theme' );
define( 'CHILD_THEME_URL', 'http://www.studiopress.com/themes/news' );

/** Add Viewport meta tag for mobile browsers */
add_action( 'genesis_meta', 'news_add_viewport_meta_tag' );
function news_add_viewport_meta_tag() {
    echo '<meta name="viewport" content="width=device-width, initial-scale=1.0"/>';
}

$content_width = apply_filters( 'content_width', 580, 430, 910 );

/** Create additional color style options */
add_theme_support( 'genesis-style-selector', array(
    'news-green'        => 'Green',
    'news-orange'   => 'Orange',
    'news-pink'         => 'Pink',
    'news-purple'       => 'Purple',
    'news-red'          => 'Red',
    'news-teal'         => 'Teal'
) );

/** Add support for structural wraps */
add_theme_support( 'genesis-structural-wraps', array(
    'header',
    'nav',
    'subnav',
    'inner',
    'footer-widgets',
    'footer'
) );

/** Add after post ad section */
add_action( 'genesis_after_post_content', 'news_after_post_ad', 9 );
function news_after_post_ad() {
    if ( is_single() && is_active_sidebar( 'after-post-ad' ) ) {
    echo '<div class="after-post-ad">';
    dynamic_sidebar( 'after-post-ad' );
    echo '</div><!-- end .after-post-ad -->';
    }
}

/** Add new image sizes */
add_image_size( 'home-bottom', 110, 110, TRUE );
add_image_size( 'home-middle-left', 280, 165, TRUE );
add_image_size( 'home-middle-right', 50, 50, TRUE );
add_image_size( 'home-tabs', 150, 220, TRUE );

/** Add support for custom header */
add_theme_support( 'genesis-custom-header', array(
    'width' => 960,
    'height'    => 100
) );

/** Add support for custom background */
add_theme_support( 'custom-background' );

/** Remove the post meta function */
remove_action( 'genesis_after_post_content', 'genesis_post_meta' );



/** Modify the author box title */
add_filter( 'genesis_author_box_title', 'author_box_title' );
function author_box_title() {
    return '<h2>About the Author</h2>';
}

/** Customize the entire footer */
remove_action( 'genesis_footer', 'genesis_do_footer' );
add_action( 'genesis_footer', 'custom_footer' );
function custom_footer() {
    ?>
    <p>&copy; Copyright 2013 <a href="http://www.virtualizationsoftware.com/">VirtualizationSoftware.com</a> &middot; All Rights Reserved</p>
    <?php
}

//***Customize the Post Info**/
add_filter( 'genesis_post_info', 'bourncreative_post_info_filter' );
function bourncreative_post_info_filter( $post_info ) {

    return 'By [post_author_posts_link] | [post_date] | <a href="' . get_permalink() . '#disqus_thread">View Comments</a>';
}


/** Reposition the secondary navigation */
remove_action( 'genesis_after_header', 'genesis_do_subnav' );
add_action( 'genesis_before', 'genesis_do_subnav' );


/** Add after content ad section */
add_action( 'genesis_before_footer', 'news_after_content_ad' );
function news_after_content_ad() {
    if ( is_active_sidebar( 'after-content-ad' ) ) {
    echo '<div class="after-content-ad">';
    dynamic_sidebar( 'after-content-ad' );
    echo '</div><!-- end .after-content-ad -->';
    }
}


/** Customize the post meta function */
add_filter( 'genesis_post_meta', 'post_meta_filter' );
function post_meta_filter($post_meta) {
if ( !is_page() ) {
    $post_meta = '[post_tags before="Dive Deeper: "]';
    return $post_meta;
}}

/** Add support for 3-column footer widgets */
add_theme_support( 'genesis-footer-widgets', 3 );

/** Register widget areas */
genesis_register_sidebar( array(
    'id'                => 'home-top',
    'name'          => __( 'Home Top', 'news' ),
    'description'   => __( 'This is the home top section.', 'news' ),
) );
genesis_register_sidebar( array(
    'id'                => 'home-middle-left',
    'name'          => __( 'Home Middle Left', 'news' ),
    'description'   => __( 'This is the home middle left section.', 'news' ),
) );
genesis_register_sidebar( array(
    'id'                => 'home-middle-right',
    'name'          => __( 'Home Middle Right', 'news' ),
    'description'   => __( 'This is the home middle right section.', 'news' ),
) );
genesis_register_sidebar( array(
    'id'                => 'home-bottom',
    'name'          => __( 'Home Bottom', 'news' ),
    'description'   => __( 'This is the home bottom section.', 'news' ),
) );
genesis_register_sidebar( array(
    'id'                => 'after-post-ad',
    'name'          => __( 'After Post Ad', 'news' ),
    'description'   => __( 'This is the after post ad section.', 'news' ),
) );
genesis_register_sidebar( array(
    'id'                => 'after-content-ad',
    'name'          => __( 'After Content Ad', 'news' ),
    'description'   => __( 'This is the after content ad section.', 'news' ),
) );