diff --git a/.github/workflows/build-preview.yml b/.github/workflows/build-preview.yml
index 78cded610..fdf6cdcad 100644
--- a/.github/workflows/build-preview.yml
+++ b/.github/workflows/build-preview.yml
@@ -36,6 +36,14 @@ jobs:
           echo "MAIN_STATS<<EOF" >> $GITHUB_ENV
           echo -e "$MAIN_STATS" >> $GITHUB_ENV
           echo "EOF" >> $GITHUB_ENV
+      - name: Capture main branch sample clips
+        id: main-samples
+        run: |
+          npm start & command_pid=$!
+          sleep 5
+          npm run generate_samples
+          kill $command_pid
+          mv samples samples-main
       - name: Checkout PR Branch 🛎️
         uses: actions/checkout@v3
       - name: Use Node.js 18.16.1
@@ -52,6 +60,14 @@ jobs:
           cp src/configs/config.aws.js src/config.js
           mkdir -p dist/shield-docs
           cp -r shieldlib/docs/* dist/shield-docs
+      - name: Capture PR branch sample clips
+        id: pr-samples
+        run: |
+          npm start & command_pid=$!
+          sleep 5
+          npm run generate_samples
+          kill $command_pid
+          mv samples samples-pr
       - name: Upload Build artifact
         uses: actions/upload-artifact@v3
         with:
@@ -71,6 +87,11 @@ jobs:
           echo '${{ env.MAIN_STATS }}'
           echo '${{ env.PR_STATS }}'
           npm exec ts-node scripts/stats_compare '${{ env.MAIN_STATS }}' '${{ env.PR_STATS }}' > pr/stats-difference.md
+      - name: Generate map diff sample clips
+        id: map-diff-samples
+        run: |
+          mv sample_differences.md pr/
+          mv samples-diff pr/
       - name: Save PR artifacts
         env:
           PR_NUMBER: ${{ github.event.pull_request.number }}
diff --git a/.github/workflows/deploy-pr-checks.yml b/.github/workflows/deploy-pr-checks.yml
index 19e11ef17..3c02cdbf5 100644
--- a/.github/workflows/deploy-pr-checks.yml
+++ b/.github/workflows/deploy-pr-checks.yml
@@ -109,7 +109,11 @@ jobs:
 
           <img src="https://preview.ourmap.us/pr/${{ env.PR_NUM }}/sprites/sprite.png" />
           <img src="https://preview.ourmap.us/pr/${{ env.PR_NUM }}/sprites/sprite@2x.png" />
+
+          ## Map sample differences
+
           " > pr_preview.md
+          echo pr/sample_differences.md >> pr_preview.md
       - uses: tibdex/github-app-token@v1
         id: checks_token
         with:
diff --git a/scripts/folder_diff.sh b/scripts/folder_diff.sh
new file mode 100755
index 000000000..178508e57
--- /dev/null
+++ b/scripts/folder_diff.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+# Compare two folders of images and produce an .md file of differences
+
+# Check if the right number of arguments are passed
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 <folder1> <folder2>"
+    exit 1
+fi
+
+FOLDER1="$1"
+FOLDER2="$2"
+OUTPUT_FOLDER="samples-diff"
+
+# Create the output folder if it doesn't exist
+mkdir -p "$OUTPUT_FOLDER"
+
+# Loop through files in FOLDER1
+for file in "$FOLDER1"/*.png; do
+    # Extract just the base filename without the path
+    basefile=$(basename "$file")
+    
+    # Check if file exists in FOLDER2
+    if [ -e "$FOLDER2/$basefile" ]; then
+        # Compare the files
+        cmp -s "$FOLDER1/$basefile" "$FOLDER2/$basefile"
+        
+        # If files are different ($? is the exit status of last command, 1 means different for cmp)
+        if [ $? -eq 1 ]; then
+            # Copy the files to the output folder with the appropriate naming scheme
+            cp "$FOLDER1/$basefile" "$OUTPUT_FOLDER/${basefile%.*}_before.png"
+            cp "$FOLDER2/$basefile" "$OUTPUT_FOLDER/${basefile%.*}_after.png"
+        fi
+    fi
+done
+
+OUTPUT_MD="sample_differences.md"
+
+# Start the table with headers
+echo "| Sample Name | Before | After |" > $OUTPUT_MD
+echo "|-------------|--------|-------|" >> $OUTPUT_MD
+
+# Loop through *_before.png files in the output folder
+for before_file in "$OUTPUT_FOLDER"/*_before.png; do
+    # Extract just the base filename without the path and the '_before' suffix
+    basefile=$(basename "$before_file" _before.png)
+    
+    # Construct the path to the corresponding after file
+    after_file="$OUTPUT_FOLDER/${basefile}_after.png"
+    
+    # Check if the after file exists
+    if [ -e "$after_file" ]; then
+        # Add an entry to the markdown table
+        echo "| $basefile | ![before]($before_file) | ![after]($after_file) |" >> $OUTPUT_MD
+    fi
+done
diff --git a/src/js/shield_defs.js b/src/js/shield_defs.js
index c1085579c..03358868f 100644
--- a/src/js/shield_defs.js
+++ b/src/js/shield_defs.js
@@ -509,7 +509,7 @@ export function loadShields() {
       textColor: Color.shields.brown,
       colorLighten: Color.shields.brown,
     },
-    ["HIST"],
+    ["XYZA"], //Change to be removed before merging
     Color.shields.brown
   );