diff --git a/wuttapos/app.py b/wuttapos/app.py
index eae304b..f419f01 100644
--- a/wuttapos/app.py
+++ b/wuttapos/app.py
@@ -29,6 +29,7 @@ import os
 
 from rattail import app as base
 from rattail.config import make_config
+from rattail.files import resource_path
 
 import flet as ft
 
@@ -157,7 +158,7 @@ def main(page: ft.Page):
 # TODO: can we inject config to the main() via ft.app() kwargs somehow?
 # pretty sure the `wuttapos open` command is trying to anyway..
 def run_app(config=None):
-    ft.app(target=main)
+    ft.app(target=main, assets_dir=resource_path('wuttapos:assets'))
 
 
 if __name__ == '__main__':
diff --git a/wuttapos/assets/testing.png b/wuttapos/assets/testing.png
new file mode 100644
index 0000000..7228b33
Binary files /dev/null and b/wuttapos/assets/testing.png differ
diff --git a/wuttapos/commands.py b/wuttapos/commands.py
index 8a1c88f..804e5fc 100644
--- a/wuttapos/commands.py
+++ b/wuttapos/commands.py
@@ -28,6 +28,7 @@ import logging
 import sys
 
 from rattail import commands
+from rattail.files import resource_path
 
 from wuttapos import __version__
 
@@ -84,7 +85,8 @@ class Serve(commands.Subcommand):
                                   default=8332)
 
         log.info(f"will serve WuttaPOS on http://{host}:{port}")
-        ft.app(target=main, view=None, host=host, port=port)
+        ft.app(target=main, view=None, host=host, port=port,
+               assets_dir=resource_path('wuttapos:assets'))
 
 
 class Status(commands.Subcommand):
diff --git a/wuttapos/views/base.py b/wuttapos/views/base.py
index b90a050..766dd36 100644
--- a/wuttapos/views/base.py
+++ b/wuttapos/views/base.py
@@ -75,11 +75,9 @@ class WuttaViewContainer(ft.Container):
     def __init__(self, config, *args, **kwargs):
         self.config = config
 
+        # add testing watermark when not in production
         if 'image_src' not in kwargs and not self.config.production():
-            # TODO: host a local testing image? where *should* this come from?
-            image = self.config.get('rattail', 'testing_watermark')
-            if image:
-                kwargs['image_src'] = image
-                kwargs.setdefault('image_repeat', ft.ImageRepeat.REPEAT)
+            kwargs['image_src'] = '/testing.png'
+            kwargs.setdefault('image_repeat', ft.ImageRepeat.REPEAT)
 
         super().__init__(*args, **kwargs)