--- flickr.inc	2010-10-03 17:49:33.000000000 -0700
+++ flickrNEW.inc	2010-10-03 17:49:07.000000000 -0700
@@ -27,6 +27,10 @@ function flickr_photo_sizes() {
       'label' => 'Medium',
       'description' => t('500 pixels on longest side'),
     ),
+    'z' => array(
+      'label' => 'Medium 640',
+      'description' => t('640 pixels on longest side')
+    ),
     'b' => array(
       'label' => 'Large',
       'description' => t('1024 pixels on longest side'),
--- README.txt	2009-01-13 13:12:12.000000000 -0800
+++ READMENEW.txt	2010-10-03 17:55:53.000000000 -0700
@@ -33,6 +33,7 @@ The size parameter can be one of the fol
   * t - thumbnail, 100 on longest side
   * m - small, 240 on longest side
   * - - medium, 500 on longest side
+  * z - medium, 640 on longest side
   * b - large, 1024 on longest side
   * o - original image