File list (Check if you may need any files):
readme.txt
Opencart 1.5.1.x\upload\admin\controller\module\facebook_lb.php
................\......\.....\language\english\module\facebook_lb.php
................\......\.....\view\template\module\facebook_lb.tpl
................\......\.....\....\........\......\facebook_lb_preview.tpl
................\......\catalog\controller\module\facebook_lb.php
................\......\.......\view\theme\default\template\module\facebook_lb.tpl
................ - 1.5.5.x\upload\admin\controller\module\facebook_lb.php
..........................\......\.....\language\english\module\facebook_lb.php
..........................\......\.....\view\template\module\facebook_lb.tpl
..........................\......\.....\....\........\......\facebook_lb_preview.tpl
..........................\......\catalog\controller\module\facebook_lb.php
..........................\......\.......\view\theme\default\template\module\facebook_lb.tpl
................\upload\catalog\view\theme\default\template\module
................ - 1.5.5.x\upload\catalog\view\theme\default\template\module
................\upload\catalog\view\theme\default\template
................ - 1.5.5.x\upload\catalog\view\theme\default\template
................\upload\admin\language\english\module
................\......\.....\view\template\module
................\......\catalog\view\theme\default
................ - 1.5.5.x\upload\admin\language\english\module
..........................\......\.....\view\template\module
..........................\......\catalog\view\theme\default
................\upload\admin\controller\module
................\......\.....\language\english
................\......\.....\view\template
................\......\catalog\controller\module
................\......\.......\view\theme
................ - 1.5.5.x\upload\admin\controller\module
..........................\......\.....\language\english
..........................\......\.....\view\template
..........................\......\catalog\controller\module
..........................\......\.......\view\theme
................\upload\admin\controller
................\......\.....\language
................\......\.....\view
................\......\catalog\controller
................\......\.......\view
................ - 1.5.5.x\upload\admin\controller
..........................\......\.....\language
..........................\......\.....\view
..........................\......\catalog\controller
..........................\......\.......\view
................\upload\admin
................\......\catalog
................ - 1.5.5.x\upload\admin
..........................\......\catalog
................\upload
................ - 1.5.5.x\upload
Opencart 1.5.1.x
Opencart 1.5.1.x - 1.5.5.x