facebook-javascript-sdk

I am using the following code to share images on facebook but when the dialog box is shown it does not show the image and once it is uploaded facebook just shows a link to image. <a name="share" type="button" href="https://www.facebook.com/sharer.php?u=www.example.com/myimage" target="_blank">share</a> Facebook doesn't support sharing of plain images, only hyperlinks can be shared. Try posting the same image's link on your profile as status. Facebook won't show you any thumbnail for it but just the link. To share a image on facebook, you have to somehow upload it -_- This should work like this

The look of my site depends heavily on whether the user is logged in via Facebook and resultantly, it is very important for me to detect any changes in the Facebook Session as soon as they occur in order for me to adapt the look of the page to reflect the users login status. I hate using intervals and timeouts for this sort of code as things can get really messy, but it appears to be the only option (to the best of my knowledge). I have tried using the FB.subscribe(auth.statusChange) , but this does not seem to fire regularly enough and necessarily correctly. Maybe I am using it wrong? The way

There are few questions with same name but none of them intended to ask what I have in my mind. So we initialize FB js sdk with only app id. It's easy to know other web site's app id by looking at their facebook initialization source code. One might think that it's possible that a hacker might try to initialize FB JS SDK with other's app id and try to get their user access tokens. But facebook doesn't allow such stuff. You have to load js sdk from the same domain you specified in the site url property in Facebook Developer Apps page. So the question is how do they know that the jsonp whatever