[Developers] image_thumb vs. /common/topic/image query

[Jack Alves]

How does the image_thumb service select which topic to display. It seems to
return the same image that is shown in the freebase.com topic page.


http://api.freebase.com/api/trans/image_thumb/en/michael_jackson

How would I get that same image using a query? A query with limit 1 returns
the second image in the gallery.

  "result": [{
    "/common/topic/image": [{
      "id": "/guid/9202a8c04000641f800000000aaabb43"
    }],
    "id": "/en/michael_jackson"
  }],


I get the image_thumb image if I use this,

[{
     "/common/topic/image": [{
       "id": null,
       "limit":1,
       "index":null,
       "sort":"index"
      }],
      "id": "/en/michael_jackson"
}]


Is this reliable even if images are not explicitly ordered?
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