I think there is a problem on the facebook metadata for og:image. The adress should be
http://c.fsdn.com/con/app/proj/biosigplot/screenshots/screenshot1.PNG instead of http://sourceforge.net//c.fsdn.com/con/app/proj/biosigplot/screenshots/screenshot1.PNG
Due to this problem I have no image when I like the application. Is it possible to correct this?
This is the precise line on the html source code:
<meta property="og:image" content="http://sourceforge.net//c.fsdn.com/con/app/proj/biosigplot/screenshots/screenshot1.PNG"/>