{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "data": {
    "values": [
      {"x": 0.5, "y": 0.5, "img": "https://upload.wikimedia.org/wikipedia/commons/a/a0/Firefox_logo%2C_2019.svg"},
      {"x": 1.5, "y": 1.5, "img": "https://vega.github.io/vega-datasets/data/gimp.png"},
      {"x": 2.5, "y": 2.5, "img": "https://vega.github.io/vega-datasets/data/7zip.png"}
    ]
  },
  "mark": {"type": "image", "width": 50, "height": 50},
  "encoding": {
    "x": {"field": "x", "type": "quantitative"},
    "y": {"field": "y", "type": "quantitative"},
    "url": {"field": "img", "type": "nominal"}
  }
}