diff --git a/penparse/webui/test/data/example.gif b/penparse/webui/test/data/example.gif
new file mode 100644
index 0000000..c895d7e
Binary files /dev/null and b/penparse/webui/test/data/example.gif differ
diff --git a/penparse/webui/test/data/example.jpg b/penparse/webui/test/data/example.jpg
new file mode 100644
index 0000000..2289a3f
Binary files /dev/null and b/penparse/webui/test/data/example.jpg differ
diff --git a/penparse/webui/test/data/example.png b/penparse/webui/test/data/example.png
new file mode 100644
index 0000000..7737895
Binary files /dev/null and b/penparse/webui/test/data/example.png differ
diff --git a/penparse/webui/test/test_thumbnail_view.py b/penparse/webui/test/test_thumbnail_view.py
index 602192c..832d1a6 100644
--- a/penparse/webui/test/test_thumbnail_view.py
+++ b/penparse/webui/test/test_thumbnail_view.py
@@ -26,22 +26,24 @@ def cleanup_uploaded_files():
 
         if os.path.exists(thumb_path):
             os.remove(thumb_path)
-            
+
         image_memo.delete()
 
+
+def get_test_filepath(basename):
+    return os.path.join(os.path.dirname(__file__), "data", basename)
+
+
 @pytest.mark.django_db
 def test_document_thumbnail_incorrect_user(client, cleanup_uploaded_files):
     user1 = User.objects.create_user(email="user1@test.com", password="password1")
     user2 = User.objects.create_user(email="user2@test.com", password="password2")
 
-    print(user2)
-
-    r = requests.get(
-        "https://www.w3.org/MarkUp/Test/xhtml-print/20050519/tests/jpeg420exif.jpg"
-    )
+    with open(get_test_filepath("example.jpg"), "rb") as f:
+        img_content = f.read()
 
     test_image = SimpleUploadedFile(
-        name="test_image.jpg", content=r.content, content_type="image/jpeg"
+        name="test_image.jpg", content=img_content, content_type="image/jpeg"
     )
 
     image_memo = ImageMemo.objects.create(
@@ -70,14 +72,16 @@ def test_document_thumbnail_incorrect_user(client, cleanup_uploaded_files):
     assert response.status_code == 200
     assert response["Content-Type"] == "image/jpeg"
 
+
 @pytest.mark.django_db
 def test_document_thumbnail_golden_path_png(client, cleanup_uploaded_files):
     user = User.objects.create_user(email="user@test.com", password="password")
 
-    r = requests.get("https://brainsteam.co.uk/images/avatar_small.png")
+    with open(get_test_filepath("example.png"), "rb") as f:
+        img_content = f.read()
 
     test_image = SimpleUploadedFile(
-        name="test_image.png", content=r.content, content_type="image/png"
+        name="test_image.png", content=img_content, content_type="image/png"
     )
 
     image_memo = ImageMemo.objects.create(
@@ -97,16 +101,16 @@ def test_document_thumbnail_golden_path_png(client, cleanup_uploaded_files):
     assert response.status_code == 200
     assert response["Content-Type"] == "image/jpeg"
 
+
 @pytest.mark.django_db
 def test_document_thumbnail_golden_path_gif(client, cleanup_uploaded_files):
     user = User.objects.create_user(email="user@test.com", password="password")
 
-    r = requests.get(
-        "https://upload.wikimedia.org/wikipedia/commons/a/a0/Sunflower_as_gif_websafe.gif"
-    )
+    with open(get_test_filepath("example.gif"), "rb") as f:
+        img_content = f.read()
 
     test_image = SimpleUploadedFile(
-        name="test_image.gif", content=r.content, content_type="image/gif"
+        name="test_image.gif", content=img_content, content_type="image/gif"
     )
 
     image_memo = ImageMemo.objects.create(