diff --git a/api/advent22_api/core/advent_image.py b/api/advent22_api/core/advent_image.py
index 74003d2..8bc5fc4 100644
--- a/api/advent22_api/core/advent_image.py
+++ b/api/advent22_api/core/advent_image.py
@@ -5,6 +5,8 @@ from typing import Self, TypeAlias, cast
 import numpy as np
 from PIL import Image, ImageDraw, ImageFont
 
+from .config import Config
+
 _RGB: TypeAlias = tuple[int, int, int]
 _XY: TypeAlias = tuple[float, float]
 
@@ -14,7 +16,7 @@ class AdventImage:
     img: Image.Image
 
     @classmethod
-    async def from_img(cls, img: Image.Image) -> Self:
+    async def from_img(cls, img: Image.Image, cfg: Config) -> Self:
         """
         Einen quadratischen Ausschnitt aus der Mitte des Bilds nehmen
         """
@@ -39,7 +41,7 @@ class AdventImage:
         # skalieren
         return cls(
             img.resize(
-                size=(1000, 1000),
+                size=(cfg.image.size, cfg.image.size),
                 resample=Image.LANCZOS,
             )
         )
diff --git a/api/advent22_api/core/config.py b/api/advent22_api/core/config.py
index ac8d23c..18af325 100644
--- a/api/advent22_api/core/config.py
+++ b/api/advent22_api/core/config.py
@@ -97,11 +97,9 @@ class TTFont(BaseModel):
 
 class Image(BaseModel):
     # Quadrat, Seitenlänge in px
-    # TODO penner
     size: int = 1000
 
     # Rand in px, wo keine Buchstaben untergebracht werden
-    # TODO penner
     border: int = 60
 
     # Schriftarten
diff --git a/api/advent22_api/core/depends.py b/api/advent22_api/core/depends.py
index e4d0a3d..22da00a 100644
--- a/api/advent22_api/core/depends.py
+++ b/api/advent22_api/core/depends.py
@@ -109,7 +109,7 @@ async def gen_day_auto_image(
 
     # Datei existiert garantiert!
     img = await load_image(auto_image_names[day])
-    image = await AdventImage.from_img(img)
+    image = await AdventImage.from_img(img, cfg)
 
     rnd = await Random.get(day)
 
@@ -120,8 +120,9 @@ async def gen_day_auto_image(
 
     # Buchstaben verstecken
     for letter in day_parts[day]:
+        xy_range = range(cfg.image.border, (cfg.image.size - cfg.image.border))
         await image.hide_text(
-            xy=cast(_XY, tuple(rnd.choices(range(60, 940), k=2))),
+            xy=cast(_XY, tuple(rnd.choices(xy_range, k=2))),
             text=letter,
             font=font,
         )
@@ -148,7 +149,7 @@ async def get_day_image(
         img = await load_image(f"images_manual/{day}.jpg")
 
         # Als AdventImage verarbeiten
-        image = await AdventImage.from_img(img)
+        image = await AdventImage.from_img(img, cfg)
         return image.img
 
     except RuntimeError: