Change thumbnails for datasets

datasets/entropy-difference-ian.data.mdx

@@ -3,11 +3,11 @@ id: hls-entropy-difference
 name: "Harmonized Landsat and Sentinel-2 Entropy Difference"
 description: "Using Harmonized Landsat and Sentinel-2 to Analyze the Aftermath of Hurricane Ian in Lee and Charlotte Counties in Florida."
 media:
-  src: ::file ./hurricane-front.jpg
-  alt: Smog Located In City.
+  src: ::file ../stories/ian_goes_cover.jpg
+  alt: Hurricane Ian as seen from space as it makes landfall with the state of Florida. NASA Earth Observatory image.
   author:
-    name: Unsplash+
-    url: https://unsplash.com/photos/an-image-of-a-circular-object-in-the-sky-vR1OW8lzxE4
+    name: Joshua Stevens, using GOES 16 imagery courtesy of NOAA and the National Environmental Satellite, Data, and Information Service (NESDIS)
+    url: https://visibleearth.nasa.gov/images/150408/hurricane-ian-reaches-florida
 taxonomy:
   - name: Topics
     values:

datasets/hls-ndvi-ian.data.mdx

@@ -3,11 +3,11 @@ id: hls-ndvi-ian
 name: "Harmonized Landsat and Sentinel-2 Normalized Difference Vegetation Index"
 description: "Using Harmonized Landsat and Sentinel-2 to Analyze the Aftermath of Hurricane Ian in Lee and Charlotte Counties in Florida."
 media:
-  src: ::file ./hurricane-front.jpg
-  alt: Smog Located In City.
+  src: ::file ../stories/ian_goes_cover.jpg
+  alt: Hurricane Ian as seen from space as it makes landfall with the state of Florida. NASA Earth Observatory image.
   author:
-    name: Unsplash+
-    url: https://unsplash.com/photos/an-image-of-a-circular-object-in-the-sky-vR1OW8lzxE4
+    name: Joshua Stevens, using GOES 16 imagery courtesy of NOAA and the National Environmental Satellite, Data, and Information Service (NESDIS)
+    url: https://visibleearth.nasa.gov/images/150408/hurricane-ian-reaches-florida
 taxonomy:
   - name: Topics
     values: