Index: wp-admin/custom-header.php
===================================================================
--- wp-admin/custom-header.php	(revision 20882)
+++ wp-admin/custom-header.php	(working copy)
@@ -588,7 +588,10 @@
 		$image_library_url = remove_query_arg( 'TB_iframe', $image_library_url );
 		$image_library_url = add_query_arg( array( 'context' => 'custom-header', 'TB_iframe' => 1 ), $image_library_url );
 	?>
-	<span class="howto"><?php _ex( 'or', 'Custom Header: Choose an image from your computer - or - Choose from image library' ); ?></span> <a id="choose-from-library-link" class="thickbox" href="<?php echo $image_library_url; ?>"><?php _e( 'Choose from image library' ); ?></a>
+	<p>
+		<?php _e( 'Choose an image from your media library:' ); ?><br />
+		<a id="choose-from-library-link" class="thickbox button" href="<?php echo esc_url( $image_library_url ); ?>"><?php _e( 'Choose Image' ); ?></a>
+	</p>
 </td>
 </tr>
 <?php endif; ?>
Index: wp-admin/css/colors-classic.dev.css
===================================================================
--- wp-admin/css/colors-classic.dev.css	(revision 20882)
+++ wp-admin/css/colors-classic.dev.css	(working copy)
@@ -2299,9 +2299,6 @@
 	border-bottom-color: #eff8ff;
 }
 
-#upload-form label {
-	color: #777;
-}
 /* custom header & background pages */
 
 /* full screen */
Index: wp-admin/css/colors-fresh.dev.css
===================================================================
--- wp-admin/css/colors-fresh.dev.css	(revision 20882)
+++ wp-admin/css/colors-fresh.dev.css	(working copy)
@@ -1901,10 +1901,6 @@
 	border-bottom-color: #f9f9f9;
 }
 
-#upload-form label {
-	color: #777;
-}
-
 /* Begin About Pages */
 
 .about-wrap h1 {