some extra error handling for weird flickr api behaviour

flickr api will weirdly return ids that aren’t necessarily valid. So
when you try and qeury on those ids, you get big fat errors
https://www.dropbox.com/s/9pnr08n50smylnr/Screen%20Shot%202013-12-08%20a
t%207.39.07%20pm.png?dl=1