Change featured image text

change-featured-img-text.php

<?php
// alter metabox titles
add_filter('gettext', 'wps_translation_mangler', 10, 4);
function wps_translation_mangler($translation, $text, $domain) {
    global $post;

    if (!empty($post)) {
        $translations = &get_translations_for_domain( $domain);
        if($post->post_type == 'ufcf_person'){
            if ( $text == 'Set featured image') {
                return $translations->translate( 'Set profile picture' );
            }
            if ( $text == 'Remove featured image') {
                return $translations->translate( 'Remove profile picture' );
            }
            if ( $text == 'Featured Image') {
                return $translations->translate( 'Profile Picture' );
            }
        }elseif($post->post_type == 'page'){
            if ( $text == 'Set featured image') {
                return $translations->translate( 'Set billboard image' );
            }
            if ( $text == 'Remove featured image') {
                return $translations->translate( 'Remove billboard image' );
            }
            if ( $text == 'Featured Image') {
                return $translations->translate( 'Billboard Image' );
            }
        }
    }

    // check for post type on media uploads
    if(basename($_SERVER['SCRIPT_FILENAME']) == 'media-upload.php'){
        $pst = get_post($_GET['post_id']);
        $translations = &get_translations_for_domain( $domain);
        if($pst->post_type == 'ufcf_person'){
            if($text == 'Use as featured image'){
                return $translations->translate('Use as profile picture');
            }
        }elseif($pst->post_type == 'page'){
            if($text == 'Use as featured image'){
                return $translations->translate('Use as billboard image');
            }
        }
    }
    return $translation;
}

Awesome. Thanks for posting this.