replacing the static call to logo.png with add_custom_image_header so

now you can update the logo via theme options

functions.php

@@ -41,6 +41,21 @@ function roots_setup() {
 	// http://codex.wordpress.org/Post_Formats
 	// add_theme_support('post-formats', array('aside', 'gallery', 'link', 'image', 'quote', 'status', 'video', 'audio', 'chat'));
 	
+	// http://codex.wordpress.org/Function_Reference/add_custom_image_header
+	if (!defined('HEADER_TEXTCOLOR')) { define('HEADER_TEXTCOLOR', '');	}
+	if (!defined('NO_HEADER_TEXT')) { define('NO_HEADER_TEXT', true); }	
+	if (!defined('HEADER_IMAGE')) { define('HEADER_IMAGE', get_template_directory_uri() . '/img/logo.png'); }
+	if (!defined('HEADER_IMAGE_WIDTH')) { define('HEADER_IMAGE_WIDTH', 300); }
+	if (!defined('HEADER_IMAGE_HEIGHT')) { define('HEADER_IMAGE_HEIGHT', 75); }
+
+	function roots_custom_image_header_site() { }
+	function roots_custom_image_header_admin() { ?>
+		<style type="text/css">
+			.appearance_page_custom-header #headimg { min-height: 0; }
+		</style>
+	<?php }
+	add_custom_image_header('roots_custom_image_header_site', 'roots_custom_image_header_admin');
+		
 	add_theme_support('menus');
 	register_nav_menus(array(
 		'primary_navigation' => __('Primary Navigation', 'roots'),

header.php

@@ -34,7 +34,7 @@
 			<div class="container">
 	
 				<a id="logo" href="<?php echo home_url(); ?>/">
-					<img src="<?php echo get_template_directory_uri(); ?>/img/logo.png" width="300" height="75" alt="<?php bloginfo('name'); ?>">
+					<img src="<?php echo get_header_image(); ?>" width="<?php echo HEADER_IMAGE_WIDTH; ?>" height="<?php echo HEADER_IMAGE_HEIGHT; ?>" alt="<?php bloginfo('name'); ?>">
 				</a>
 				
 				<?php if ($roots_options['clean_menu']) { ?>