curl -F 'access_token=...' 
     -F 'message=Link with empty source and empty picture' 
     -F 'link=http://stackoverflow.com' 
     -F 'picture=' 
     -F 'source=' 
     https://graph.facebook.com/me/feed
	
curl -F 'access_token=...' 
     -F 'message=Link with empty source and empty picture' 
     -F 'link=http://cnn.com' 
     -F 'source=http://cnn.com' 
     https://graph.facebook.com/me/feed
	
curl 
     -F "message=test message, attempting to verify solution of SO problem" 
     -F "name=StackOverflow" 
     -F "link=http://stackoverflow.com/questions/4246170/how-do-i-post-a-link-to-facebook-without-a-thumbnail" 
     -F "access_token=you_dont|reallythink|imgonnapostmyrealaccesstoken_doya?" 
     "https://graph.facebook.com/11239244970/feed"
	
curl -F 'access_token=...' 
-F 'message=404 picture' 
-F 'link=http://example.com' 
-F 'name=Example' 
-F 'description=example.com is not about bbq' 
-F 'caption=example.com' 
-F 'picture=http://example.com/this/does/not/exist/1.gif' 
https://graph.facebook.com/me/feed/