Instagram now works better with Facebook
Not only can shoot pictures full-size shared with Facebook friends, but also the signature is added to the iPhone directly from the photos posted. Also a link to the picture on the website of Instagram is added automatically. Furthermore, users of Instagram also photos of themselves and share a special photo album, namely 'Instagram Photos'.
Instagram for sharing photos on Facebook:
You Can Also Share Instagram images That a friend HAS posted to Facebook By using the "Share" button below That friend's image in order to post the photo to your own timeline, on a friend's timeline, in a group, on your page, or in a private message.