Is a no RSS plugin setup supposed to work?

When you say pictures, you mean post thumbnails ?

If yes, then you can add them to your RSS feeds like this, add in functions.php

function rss_post_thumbnail( $content ) {
    global $post;
    if( has_post_thumbnail( $post->ID ) ) {
        $content="<p>" . get_the_post_thumbnail( $post->ID ) . '</p>' . get_the_content();
    }
    return $content;
}
add_filter('the_excerpt_rss', 'rss_post_thumbnail');
add_filter('the_content_feed', 'rss_post_thumbnail');