Hi everyone s. My English is not very good

I have 2.6.8 installed k2 on joomla 2.5.19
When I try to share an article on Facebook, all text goes but the picture is not output.

I have looked at the php code with firefox and this

<meta property = "og: url"
<meta property = "og: title"
<meta property = "og: type"
<meta property = "og: description"

but og: image is not.

If anyone can help me.
Thank you very much ..

Hi. Go to K2 parameters and select the desired image size for Facebook. After you save the parameters it should work.

Hello and thanks for replying.

I attached a picture to see if that's what I have to change, but I think this selected

I have selected type of image size for facebook "medium"

Just select the desired image size and click save button.

so I have selected
but still do not see the label
og: image
when I see the code with firefox

I leave one page for you to check

www.castillodelmarques.com/que-se-cuece/item/152-habitos-alimentarios-saludables

It's because you have not added an image. The setting applies to K2 images ( image added using the image tab in the form ) not images you put in the editor.

Perfect, thank you very much for the explanation.

You are welcome.