I achieved Facebook sharing with a single external image using this syntax:
<a href="http://www.facebook.com/sharer.php?s=100&p[title]=test&p[url]=http://www.example.com&p[images][0]=http://www.example.com/image1.png&p[summary]=Description">
is it possible to use more than one image? I tried with this syntax
...p[images][0]=http://www.example.com/image1.png&p[images][1]=http://www.example.com/image2.jpg...
but it did not work.
Copyright Notice:Content Author:「Andrea」,Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article:https://stackoverflow.com/questions/7176767/how-to-share-an-url-on-facebook-using-more-than-one-external-image-as-thumbnails