Fix a issue with thumbnails. Now if an image is presented, but it doesn't exist the alternative default image is chosen.
Fix a issue with thumbnails. Now if an image is presented, but it
doesn't exist the alternative default image is chosen.

finnurtorfa/aflafrettir.is,finnurtorfa/aflafrettir.is,finnurtorfa/aflafrettir.is,finnurtorfa/aflafrettir.is