It´s not working.. could help?

Hello,

I was looking for a plugin like this!!

But i installed and it is not working…

The image is less than 200×200 px… (http://www.obrasdarte.com/wp-content/uploads/2013/03/Moldura-Branca.jpg)

I put my personal id… but when i put a link of site: http://www.obrasdarte.com it doesn´t put the image i choose…

Could help me?

Thanks and Regards,

Tony

http://wordpress.org/extend/plugins/wp-facebook-open-graph-protocol/