Choose to Display Post Thumbnail?
This is modified code from twentyten that does what you’re looking for. Put this in header or wherever you want the image to run. See string post-thumbnail — that is size. Make sure it is defined as 940 x 180 in functions.php if ( is_singular() && current_theme_supports( ‘post-thumbnails’ ) && has_post_thumbnail( $post->ID ) && ($image … Read more