trying like this

app.py

@@ -49,12 +49,13 @@ def overlay_png_on_side_by_side_images(
     img1 = Image.fromarray(person_image_path).convert("RGBA")
     img2 = insect_image_path.convert("RGBA")
     png_img = Image.open(overlay_image_path).convert("RGBA")
-
-    # Determine a common height for side-by-side images
     min_height = 3600
-    # Resize images to the common height, maintaining aspect ratio
-    img1 = img1.resize((2700, 3600), Image.LANCZOS)
-    img2 = img2.resize((2700, 3600), Image.LANCZOS)
+    img1_hpercent = (min_height / float(img1.size[1]))
+    img1_wsize = int((float(img1.size[0) * float(img1_hpercent)))
+    img2_hpercent = (min_height / float(img2.size[1]))
+    img2_wsize = int((float(img2.size[0) * float(img2_hpercent)))
+    img1 = img1.resize((img1_wsize, min_height), Image.LANCZOS)
+    img2 = img2.resize((img2_wsize, min_height), Image.LANCZOS)
     combined_width = img1.width + img2.width
     # Create a blank canvas for the combined image