NfN subject JSON

gistfile1.json

Original
{
   "location": {
      "standard":"http://www.notesfromnature.org/subjects/calbug/Bups_Agrilinae_Buprestinae/55a7249362b39a711057f751.jpg"
   }
}

One Option
{
   "location": {
      "standard":"http://www.notesfromnature.org/subjects/calbug/Bups_Agrilinae_Buprestinae/55a7249362b39a711057f751.jpg",
      "extra": "http://someurl.org/iamge.jpg
   }
}

Another option
{
   "location": [
      "http://www.notesfromnature.org/subjects/calbug/Bups_Agrilinae_Buprestinae/55a7249362b39a711057f751.jpg",
      "http://acme.co.org/image1.jpg
   ]
}