diff --git a/dicomViewer.js b/dicomViewer.js
index b8cf474..6aff7a0 100644
--- a/dicomViewer.js
+++ b/dicomViewer.js
@@ -705,7 +705,7 @@ export function loadCornerstone(main_element, db, images, annotations_to_load, l
 }
 
 function loadCornerstoneMainImage(element, image, stack, db, load_as_stack) {
-    dumpDataSet(image.data)
+    //dumpDataSet(image.data)
     console.log("loadCornerstoneMainImage")
     console.log("load as stack:", load_as_stack)
     // It is probably silly to do this each time we load a question
@@ -904,7 +904,13 @@ async function loadAltDicomInterface(db) {
 function onImageRendered(e) {
     const eventData = e.detail;
     //console.log(e);
-    dumpDataSet(eventData.image.data)
+    try {
+        // todo improve
+        dumpDataSet(eventData.image.data);
+    } catch {
+        console.log("unable to extract dicom data")
+
+    }
 
     // Update ww/wl
     $("#wc").text(Math.round(eventData.viewport.voi.windowCenter));
diff --git a/index.html b/index.html
index 65259f2..5aa44b0 100644
--- a/index.html
+++ b/index.html
@@ -25,8 +25,8 @@
       <h1>A dicom viewer</h1>
 
     <!-- <div id="dicom-viewer" class="dicom-viewer" style="height: 600px;" data-images='["test_images/IMG1.dcm","test_images/IMG1.dcm"]' data-annotations='[&quot;{\&quot;ArrowAnnotate\&quot;:{\&quot;data\&quot;:[{\&quot;visible\&quot;:true,\&quot;active\&quot;:false,\&quot;handles\&quot;:{\&quot;start\&quot;:{\&quot;x\&quot;:450.01249999999993,\&quot;y\&quot;:592.8031510416666,\&quot;highlight\&quot;:true,\&quot;active\&quot;:false},\&quot;end\&quot;:{\&quot;x\&quot;:283.38750000000005,\&quot;y\&quot;:343.976484375,\&quot;highlight\&quot;:true,\&quot;active\&quot;:false,\&quot;moving\&quot;:false},\&quot;textBox\&quot;:{\&quot;active\&quot;:false,\&quot;hasMoved\&quot;:false,\&quot;movesIndependently\&quot;:false,\&quot;drawnIndependently\&quot;:true,\&quot;allowedOutsideImage\&quot;:true,\&quot;hasBoundingBox\&quot;:true}},\&quot;uuid\&quot;:\&quot;51ca68b0-734c-4046-b3da-dd2886496fd5\&quot;,\&quot;invalidated\&quot;:true}]}}&quot;, null]'></div></div> -->
-    <!-- <div id="dicom-viewer" class="dicom-viewer" style="height: 600px;" data-images='["test_images/IMG1.dcm", "test_images/IMG2.dcm"]' data-annotations=''></div></div> -->
-    <div id="dicom-viewer" class="dicom-viewer" style="height: 600px;" data-images='["test_images/CXR.dcm"]' data-annotations=''></div></div>
+    <div id="dicom-viewer" class="dicom-viewer" style="height: 600px;" data-images='["test_images/IMG1.dcm", "test_images/IMG2.dcm", "test_images/IMG3.dcm", "test_images/IMG4.dcm", "test_images/IMG5.dcm", "test_images/IMG6.dcm"]' data-annotations=''></div></div>
+    <!-- <div id="dicom-viewer" class="dicom-viewer" style="height: 600px;" data-images='["test_images/CXR.dcm"]' data-annotations=''></div></div> -->
 
     </main>
     <footer></footer>
diff --git a/test_images/1.jpg b/test_images/1.jpg
new file mode 100644
index 0000000..9134722
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diff --git a/test_images/2.jpg b/test_images/2.jpg
new file mode 100644
index 0000000..198af1b
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diff --git a/test_images/CXR_anon.dcm b/test_images/CXR_anon.dcm
new file mode 100644
index 0000000..7ba4e47
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diff --git a/test_images/IMG1_anon.dcm b/test_images/IMG1_anon.dcm
new file mode 100644
index 0000000..23d7120
Binary files /dev/null and b/test_images/IMG1_anon.dcm differ