Get Simple Theme Customization

<?php
    $tmp_curr_page = return_page_slug();
    if( $tmp_curr_page =='personalize-header-background' )
        echo 'http://getsimple1.dev/data/uploads/images/home-bg-2.jpg';
    elseif( $tmp_curr_page =='other-page-slug' )
        echo 'http://getsimple1.dev/data/uploads/images/home-bg-2.jpg';
    else
        echo 'http://getsimple1.dev/data/uploads/images/home-bg.jpg';
    ?>
?>