Facebook not display in version 1.2.1

Hello, I installed the module in version 1.2.1 but do not see the stream of facebook, even with the demonstration ID.
I changed facebook.php with 755 permissions.
This is I need to show my ID 389369544448487

This is my demo:

www.mashumus.com/nuevo

Hi
Thanks for contacting us and choosing our product!
I will check on local. It worked well. . I can not log into your site. seems you have blocked my IP. Please check try. Thanks

Hello, please provide your IP to request the hosting its release, and please send me the hosting requirements and if you need access to joomla administrator.
Local effectively if it works but I need to work on my productive server.

Hi,
Please send me a back-up copy of your site via mail: This email address is being protected from spambots. You need JavaScript enabled to view it.. I'll check it out locally. Thanks. Currently I'm at home. not remember the IP address of the company. Thanks
extensions.joomla.org/extension/akeeba-backup
None: tab configuration -> config Archiver engine: Zip format