I am trying to display a comments feed on my Facebook application, I am loading in an array of Facebook user ids and an associated comment, to display the users profile pict
The issue is probably what genesis φ says says, just a temporary issue on Facebook's end. But to add on to his suggestions, you might try serving the image from https:
. Alternatively, you can get the full, redirect-less picture URL from the user FQL table.
It's probably just their temporary issue. If you want to be sure, download them for the first time and you could "host" them more reliabily