--- wp-includes/class-wp-atom-server.php.orig	2012-06-17 12:07:53.100416123 +0200
+++ wp-includes/class-wp-atom-server.php	2012-06-17 12:11:06.490344856 +0200
@@ -542,13 +542,21 @@
 
 		$url = $file['url'];
 		$file = $file['file'];
+		$title = $content = $slug;
 
 		do_action('wp_create_file_in_uploads', $file); // replicate
 
+		if ( $image_meta = @wp_read_image_metadata($file) ) {
+			if ( trim ( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) )
+				$title = $image_meta['title'];
+			if ( trim( $image_meta['caption'] ) )
+				$content = $image_meta['caption'];
+		}
+
 		// Construct the attachment array
 		$attachment = array(
-			'post_title' => $slug,
-			'post_content' => $slug,
+			'post_title' => $title,
+			'post_content' => $content,
 			'post_status' => 'attachment',
 			'post_parent' => 0,
 			'post_mime_type' => $type,
@@ -558,8 +566,11 @@
 		// Save the data
 		$postID = wp_insert_attachment($attachment, $file);
 
-		if (!$postID)
+		if ( is_wp_error( $postID ) ) {
 			$this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.'));
+		} else {
+			wp_update_attachment_metadata( $postID, wp_generate_attachment_metadata( $postID, $file ) ) ;
+		}
 
 		$output = $this->get_entry($postID, 'attachment');