Move from 'Upload Image' to 'Select Image' as this section now includes choosing an image from the media library. see #20737.

git-svn-id: http://core.svn.wordpress.org/trunk@20885 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/custom-background.php

@@ -248,7 +248,7 @@ if ( get_background_image() ) {
 
 <?php endif; ?>
 <tr valign="top">
-<th scope="row"><?php _e('Upload Image'); ?></th>
+<th scope="row"><?php _e('Select Image'); ?></th>
 <td><form enctype="multipart/form-data" id="upload-form" method="post" action="">
 	<p>
 		<label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br />

wp-admin/custom-header.php

@@ -554,7 +554,7 @@ var farbtastic;
 </tr>
 <?php if ( current_theme_supports( 'custom-header', 'uploads' ) ) : ?>
 <tr valign="top">
-<th scope="row"><?php _e( 'Upload Image' ); ?></th>
+<th scope="row"><?php _e( 'Select Image' ); ?></th>
 <td>
 	<p><?php _e( 'You can upload a custom header image to be shown at the top of your site instead of the default one. On the next screen you will be able to crop the image.' ); ?><br />
 	<?php