change default profile photo to something more interesting than a reddish brown square

mod/notifications.php

@@ -143,7 +143,7 @@ function notifications_content(&$a) {
 						'$intro_id' => $rr['intro_id'],
 						'$madeby' => sprintf( t('suggested by %s'),$rr['name']),
 						'$contact_id' => $rr['contact-id'],
-						'$photo' => ((x($rr,'fphoto')) ? $rr['fphoto'] : "images/default-profile.jpg"),
+						'$photo' => ((x($rr,'fphoto')) ? $rr['fphoto'] : "images/person-175.jpg"),
 						'$fullname' => $rr['fname'],
 						'$url' => $rr['furl'],
 						'$hidden' => array('hidden', t('Hide this contact from others'), ($rr['hidden'] == 1), ''),