if (function_exists('register_sidebar')) {
    register_sidebar(array(
        'name'=> 'Banner Slide 1 Picture',
        'id' => 'image3',
        'before_widget' => '',
        'after_widget' => '',
        'before_title' => '',
        'after_title' => '',
    ));
    register_sidebar(array(
        'name'=> 'Banner Slide 2 Picture',
        'id' => 'image2',
        'before_widget' => '',
        'after_widget' => '',
        'before_title' => '',
        'after_title' => '',
    ));
    register_sidebar(array(
        'name'=> 'Banner Slide 3 Picture',
        'id' => 'image3',
        'before_widget' => '',
        'after_widget' => '',
        'before_title' => '',
        'after_title' => '',
    ));
 }

<?php dynamic_sidebar( 'image1' ); ?>`
<?php dynamic_sidebar( 'image2' ); ?>`
<?php dynamic_sidebar( 'image3' ); ?>`