facebook: own share button with different data

Question

I want to make a custom Facebook share button on a website. I use this link: http://www.facebook.com/sharer.php?s=100&p[title]=title&p[url]=http://myurl.com&p[summary]=summary&p[images][0]=myimage

I have set the og Meta-Tags for sharing the main-site. But the Problem is that if I use the share Link above Facebook shows images/title/summary/etc from the Meta-Tags and not from the Link Parameters.

How can I force Facebook to use the data from the Parameters without changing/removing the Meta-Tags

Answer 1

The sharer will no longer accept custom parameters and facebook will pull the information that is being displayed in the preview the same way that it would appear on facebook as a post, from the url OG meta tags.

Source: https://developers.facebook.com/x/bugs/357750474364812/

You can use the feed dialog instead, but you would need to create an App for that: https://developers.facebook.com/docs/sharing/reference/feed-dialog