Custom hack for moodle-mod_forum that causes f1.png avatar is used when displaying the post, instead of the default (smaller) f2.png

lib.php.patch

diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index 1966ec1..313bff9 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -3465,7 +3465,7 @@ function forum_print_post($post, $discussion, $forum, &$cm, $course, $ownpost=fa
                                                    'aria-label' => $discussionbyuser));
     $output .= html_writer::start_tag('div', array('class'=>'row header clearfix'));
     $output .= html_writer::start_tag('div', array('class'=>'left picture'));
-    $output .= $OUTPUT->user_picture($postuser, array('courseid'=>$course->id));
+    $output .= $OUTPUT->user_picture($postuser, array('courseid'=>$course->id, 'size' => 60));
     $output .= html_writer::end_tag('div');