function bp_dtheme_header_style() {
	global $post;

	$header_image = '';

	if ( is_singular() && current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $post->ID ) ) {
		$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'post-thumbnail' );

		// $src, $width, $height
		if ( !empty( $image ) && $image[1] >= HEADER_IMAGE_WIDTH )
			$header_image = $image[0];
		else
			$header_image = get_header_image();

	} else {
		$header_image = get_header_image();
	}
?>

	<style type="text/css">
		<?php if ( !empty( $header_image ) ) : ?>
			#header { background-image: url(<?php echo $header_image ?>); }
		<?php endif; ?>

		<?php if ( 'blank' == get_header_textcolor() ) { ?>
		#header h1, #header #desc { display: none; }
		<?php } else { ?>
		#header h1 a, #desc { color:#<?php header_textcolor(); ?>; }
		<?php } ?>
	</style>

<?php
}