here's a good one on posting links:
Tip: When you share links on Facebook, make sure that if you put a link into a Facebook post first and it automatically shows a preview of the link, close that preview and add a photo before posting.
alternatively, attach the picture you want first, then write the copy, including the link. either way, it will come out looking like thisinstead of this
via socialmediaexaminer.com click through for all the tips