diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..db1c93c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+# Devenv
+.devenv*
+devenv.local.nix
+devenv.local.yaml
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml
+src/protestswap/__pycache__
diff --git a/flake.nix b/flake.nix
index 4e6764c..2030bde 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,52 +24,82 @@
     projectName = project.pyproject.project.name;
     python = pkgs.python3;
 
-    inswapperModel = pkgs.stdenv.mkDerivation {
-      name = "inswapper";
+    inswapperModel = pkgs.stdenv.mkDerivation { 
+      name = "inswapper_128";
       src = pkgs.fetchurl {
         url = "https://huggingface.co/thebiglaskowski/inswapper_128.onnx/resolve/main/inswapper_128.onnx";
         hash = "sha256-5KPwjHU8ty0E4Qqg99vj3uu/OVZ9Tq1tzgjpiqSeFq8=";
       };
 
-      unpackPhase = ''true'';
-      phases = [ 
-      # "installPhase" 
-      ];
+      phases = [ "installPhase" ];
 
-      installPhase = let dest = "$out/var/lib/${projectName}"; in /*shell*/''
-        ls -l "$src"
-        mkdir -p "${dest}" 
-        cp $src ${dest}/inswapper_128.onnx
+      installPhase = ''
+        mkdir -p "$out/var/lib/insightface/models/"
+        cp $src "$out/var/lib/insightface/models/inswapper_128.onnx"
       '';
     };
+    buffaloModel = pkgs.stdenv.mkDerivation { 
+      name = "buffalo_l_Model";
+      src = pkgs.fetchurl {
+        url = "https://github.com/deepinsight/insightface/releases/download/v0.7/buffalo_l.zip";
+        hash = "sha256-gP/jfYpZQNWac4TCAaKjjUdB8vPFHu9G67KCGKewyi8=";
+      };
 
+      unpackPhase = /*shell*/''
+        ls -l $src
+        echo $src
+
+        mkdir -p "$out/var/lib/insightface/buffalo_l/"
+        unar -D -o $out/var/lib/insightface/buffalo_l/ $src
+      '';
+
+      nativeBuildInputs = [ pkgs.unar ];
+    };
+    postInstall = /*shell*/''
+      mkdir -p $out/var/lib/insightface/models/buffalo_l
+      cp ${inswapperModel} $out/var/lib/insightface/models/inswapper_128.onnx
+      '';
+      # ${pkgs.unar}/bin/unar -D -o $out/var/lib/insightface/models/buffalo_l ${buffaloModel}
+    # '';
+    packageAttrs = project.renderers.buildPythonPackage { 
+      inherit python; 
+    };
+    packageAttrsLive = project.renderers.mkPythonEditablePackage { 
+      inherit python; 
+    };
+    protestswap = python.pkgs.buildPythonPackage ( packageAttrs # // { inherit postInstall; } 
+    );
   in {
     devShells.${system}.default = let 
-      arg = project.renderers.withPackages { inherit python;};
-      pythonEnv = python.withPackages arg;
+      arg = project.renderers.mkPythonEditablePackage { inherit python; };
+      pythonEnv = python.pkgs.mkPythonEditablePackage ( arg );
     in pkgs.mkShell {
-      packages = [ pythonEnv inswapperModel];
-      shellHook = ''
-        export FOO=${inswapperModel}/var/lib/${projectName}/inswapper_128.onnx
-        echo "Binary at '$FOO'"
+      packages = [ pkgs.python3 pkgs.uv 
+      # buffaloModel 
+      protestswap pkgs.gcc14 ];
+      shellHook = /*shell*/
+        ''
+        ls -l ${buffaloModel}
+
+        INSIGHTFACE_ROOT_DIR=$(mktemp -d /tmp/insightface.XXXXXXXX)
+        export INSIGHTFACE_ROOT_DIR
+
+        mkdir -p "$INSIGHTFACE_ROOT_DIR"
+
+        ln -s ${inswapperModel}/var/lib/insightface/models "$INSIGHTFACE_ROOT_DIR/models"
+        ln -s ${buffaloModel}/var/lib/insightface/buffalo_l "$INSIGHTFACE_ROOT_DIR/buffalo_l"
+
+        # export PROTESTSWAP_ROOT="/tmp/protestswap_models"
+        # mkdir -p "$PROTESTSWAP_ROOT/buffalo_l"
+        #
+        # cp ${inswapperModel} "$PROTESTSWAP_ROOT/inswapper_128.onnx"
+        unset PYTHONPATH
+        uv sync
+        . .venv/bin/activate
       '';
     };
 
-    packages.${system} = let 
-      attrs = project.renderers.buildPythonPackage { 
-        inherit python; 
-      };
-      protestswap = (python.pkgs.buildPythonPackage ( attrs // {
-        buildInputs = [ inswapperModel ];
-      } ));
-    in {
-      # inherit inswapperModel;
-      # "${projectName}" = protestswap;
-      default = pkgs.symlinkJoin {
-        name = "${projectName}";
-        paths = [inswapperModel protestswap];
-      };
-    };
+    packages.${system}.default = protestswap;
   };
 }
 
diff --git a/pyproject.toml b/pyproject.toml
index 78d99e8..27da1e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,11 @@ license-files = ["LICEN[CS]E*"]
 description = "A minimal pyproject.toml"
 authors = [ ]
 requires-python = ">=3.13"
-dependencies = [ "insightface", "opencv-python", "matplotlib" ]
+dependencies = [ 
+"insightface",
+"onnxruntime",
+"opencv-python", "matplotlib" 
+]
 
 [project.scripts]
 protestswap-cli = "protestswap.cli:main"
@@ -13,3 +17,6 @@ protestswap-cli = "protestswap.cli:main"
 [build-system]
 requires = ["uv_build >= 0.8.17, <0.9.0"]
 build-backend = "uv_build"
+
+[tool.setuptools.packages]
+find = {namespaces = false}  # Disable implicit namespaces
diff --git a/src/protestswap/cli.py b/src/protestswap/cli.py
index bcd35ad..67c4726 100644
--- a/src/protestswap/cli.py
+++ b/src/protestswap/cli.py
@@ -1,7 +1,29 @@
-import protestswap
+import os
+import logging
+
+from protestswap.protestswap import ProtestFaceSwapper
+
+logger = logging.getLogger("protestswap")
+
+DEFAULT_INSIGHTFACE_DIR = "/var/lib/insightface"
+INSIGHTFACE_VAR = "INSIGHTFACE_ROOT_DIR"
+
 
 def main():
-    print("hello protest")
+    insightface_dir = None
+    if os.path.exists(DEFAULT_INSIGHTFACE_DIR):
+        insightface_dir = DEFAULT_INSIGHTFACE_DIR
+    elif os.environ.get(INSIGHTFACE_VAR):
+        insightface_dir = os.environ.get(INSIGHTFACE_VAR)
+    else:
+        logger.warning(
+            f"No directory at '{DEFAULT_INSIGHTFACE_DIR}' and '{INSIGHTFACE_VAR}' not set yet."
+        )
+        insightface_dir = f"{os.environ.get('HOME')}/.cache/insightface"
+
+    # swapper = ProtestFaceSwapper(insightface_dir)
+    # swapper.prepare_model()
+
 
 if __name__ == "__main__":
     main()
diff --git a/src/protestswap/protestswap.py b/src/protestswap/protestswap.py
index d04736c..1b7f584 100644
--- a/src/protestswap/protestswap.py
+++ b/src/protestswap/protestswap.py
@@ -1,5 +1,8 @@
 #!/usr/bin/env python3
 
+import logging
+import os
+
 import cv2
 import random # TODO: seed!
 
@@ -9,11 +12,14 @@ from insightface.app import FaceAnalysis
 from insightface.model_zoo.inswapper import INSwapper
 from insightface.app.common import Face
 
+logger = logging.getLogger("protestswap")
+
 SWAPPING_MODEL = 'inswapper_128.onnx'
 
-class Faceswapper:
-    def __init__(self):
-        self._app : FaceAnalysis = FaceAnalysis(name='buffalo_l')
+
+class ProtestFaceSwapper:
+    def __init__(self, root_dir):
+        self._app : FaceAnalysis = FaceAnalysis(name='buffalo_l', root=insightface_dir)
         self._model : INSwapper
         self._source : cv2.typing.MatLike|None = None
         self._source_faces : list[Face] = []
@@ -49,9 +55,9 @@ class Faceswapper:
 
 
 def main():
-    swapper = Faceswapper()
-    swapper.prepare_model()
 
+    swapper = ProtestFaceSwapper(insightface_dir)
+    swapper.prepare_model()
 
 
 if __name__ == '__main__':