```coffeescript
module.exports = [
  {
    "id": "1",
    "title": ""
    "image": ""
  },
  {
    "id": "2",
    "title": "Egg",
    "image": "img/nodes/egg.png",
    "metadata": {
      "source": "internal",
      "title": "Egg",
      "link": "https://openclipart.org/detail/166320/egg",
      "license": "public domain"
    }
  },
  {
    "id": "3",
    "title": "Chick"
    "image": "img/nodes/chick.png",
    "metadata": {
      "source": "internal",
      "title": "Chick",
      "link": "https://openclipart.org/detail/131641/Funny%20Chick%20Cartoon%20Newborn/",
      "license": "public domain"
    }
  },
  {
    "id": "4",
    "title": "Chicken"
    "image": "img/nodes/chicken.png",
    "metadata": {
      "source": "internal",
      "title": "Chicken",
      "link": "http://pixabay.com/en/rooster-cock-chicken-bird-farm-312602",
      "license": "public domain"
    }
  }
]
```

Include link to default image.
user
```coffeescript
module.exports = [
  {
    "id": "1",
    "title": ""
    "image": "img/nodes/blank.png"
  },
  {
    "id": "2",
    "title": "Egg",
    "image": "img/nodes/egg.png",
    "metadata": {
      "source": "internal",
      "title": "Egg",
      "link": "https://openclipart.org/detail/166320/egg",
      "license": "public domain"
    }
  },
  {
    "id": "3",
    "title": "Chick"
    "image": "img/nodes/chick.png",
    "metadata": {
      "source": "internal",
      "title": "Chick",
      "link": "https://openclipart.org/detail/131641/Funny%20Chick%20Cartoon%20Newborn/",
      "license": "public domain"
    }
  },
  {
    "id": "4",
    "title": "Chicken"
    "image": "img/nodes/chicken.png",
    "metadata": {
      "source": "internal",
      "title": "Chicken",
      "link": "http://pixabay.com/en/rooster-cock-chicken-bird-farm-312602",
      "license": "public domain"
    }
  }
]
```
assistant