I have read almost every post/forum/suggestions/... about that but I still have the unreachable error.
I have followed the steps reported into the manual
Facebook Settings
Login to Facebook
Go to "Create an Application" site - http://developers.facebook.com/setup/
Add site name
Add an URL of your site
Select language which your site is using
Create an application - App Name, App URL, App ID and App Secret values will be created.
Copy App ID value.
I have modified index.php with the stringGo to Components - Phoca Gallery - Facebook, click on New. Add App ID and App Secret. Click on Save button.
Now the Facebook Comments Settings will be displayed, set parameters you need. Click on Save. Facebook User (Application) will be stored.
Go to Phoca Gallery parameters in your Joomla! site, in administration
In Comment Settings set if you want your users will be able to comment images and/or categories (set Yes)
As External Comment Extension select Facebook
Select Facebook User (Application)
Save parameters. Now your visitors should be able to comment images and/or categories on your site with help of Facebook Comment system.
The main step where I didn't find a solution is:xmlns:fb="http://www.facebook.com/2008/fbml"
Now the Facebook Comments Settings will be displayed, set parameters you need.
ok... but which parameters?!?
Where can I look for that? If I use the button "Connect with Facebook" with my user's parameters, the apps owner, the group ID, I always have:
I am really thinking not to implement facebook comment feature inside my website, also if it would be a pity.API Error Code: 191
API Error Description: The specified URL is not owned by the application
Error Message: redirect_uri is not owned by the application.
It is also very clear that:
- I am not a coder;
- I an not a developer;
- In this situation I am feeling very close to a noob
- It's better I have launch.
I really say thk to everyone find some minutes to help me.
David.

