To only show the events for a specific user in the admin panel, but to show all events to the administrator exchange the line below in wp-events.php
$events = $wpdb->get_results("SELECT * FROM".$wpdb->prefix."eventsORDER BY $order");
for
global $current_user;
get_currentuserinfo();
// Management level
if ($current_user->user_level == 10){
$events = $wpdb->get_results("SELECT * FROM <code>".$wpdb->prefix."events</code> ORDER BY $order");
} else {
$events = $wpdb->get_results("SELECT * FROM <code>".$wpdb->prefix."events</code> WHERE author = '".$current_user->user_login."' ORDER BY $order");
}