your job is to create a wall as a tab in user profile and a public activity stream (for friends) in drupal 6 (function like facebook). For this task I have installed heartbeat module, flag module (for like button, etc.), user relationship modul, facebook statuses and rules module. Your job is to create a wall with post box (facebook statuses modul) as a tab in user profile and a public activity stream (for friends) like facebook with picture of poster, better style, comment statuses, individual messages like "Peter and Jana are friends now" or "Jonas created a new blog entry", etc.., like button (using flag modul). I will tell you the individual activity messages you must integrate and also other individual details.