If you plan to share some Facebook profile or Page Links in your WordPress Blogrolle there is a simple way .To acces photo links just enter the Graph url 

https://graph.facebook.com/cameramantv/picture?type=large

Or if you plan to make a custom child theme or WP pluginyou can use the Json Graph link that will return the url

https://graph.facebook.com/cameramantv/picture/?fields=picture&type=large

That way you never have to care were Facebook is storring his picture and even if the profile pic get updated you have the right link