- Yes, facebook does not allow the use of images from it CDN in messages, shares, etc.
- Yes. You can use an intermediate page that takes a CDN image and copies it on the fly. My script does just that (see below)
- There is no official documentation regarding the use of CDN images.
http://sportplatform.sportengland.org/videos/image.php?src=http://a8.sphotos.ak.fbcdn.net/hphotos-ak-snc6/602487_10150174597139971_1671360825_n.jpg
http://sportplatform.sportengland.org/videos/image.php?src={image url}. URL-, CDN Facebook. script, , . .