diff --git a/app.py b/app.py
index c2d3175..6f43196 100644
--- a/app.py
+++ b/app.py
@@ -1,6 +1,6 @@
 import os
 from flask import Flask, render_template, abort, jsonify, request
-from comics_data import COMICS
+from comics_data import COMICS, FULL_WIDTH_DEFAULT
 
 app = Flask(__name__)
 
@@ -8,18 +8,36 @@ app = Flask(__name__)
 app.config['SECRET_KEY'] = os.environ.get('SECRET_KEY', 'your-secret-key')
 
 
+def is_full_width(comic):
+    """Determine if a comic should be full width based on global and per-comic settings"""
+    # If comic explicitly sets full_width, use that value
+    if 'full_width' in comic:
+        return comic['full_width']
+    # Otherwise use the global default
+    return FULL_WIDTH_DEFAULT
+
+
+def enrich_comic(comic):
+    """Add computed properties to comic data"""
+    if comic is None:
+        return None
+    enriched = comic.copy()
+    enriched['full_width'] = is_full_width(comic)
+    return enriched
+
+
 def get_comic_by_number(number):
     """Get a comic by its number"""
     for comic in COMICS:
         if comic['number'] == number:
-            return comic
+            return enrich_comic(comic)
     return None
 
 
 def get_latest_comic():
     """Get the most recent comic"""
     if COMICS:
-        return COMICS[-1]
+        return enrich_comic(COMICS[-1])
     return None
 
 
@@ -48,7 +66,7 @@ def comic(comic_id):
 def archive():
     """Archive page showing all comics"""
     # Reverse order to show newest first
-    comics = list(reversed(COMICS))
+    comics = [enrich_comic(comic) for comic in reversed(COMICS)]
     return render_template('archive.html', title='Archive',
                          comics=comics)
 
@@ -62,7 +80,7 @@ def about():
 @app.route('/api/comics')
 def api_comics():
     """API endpoint - returns all comics as JSON"""
-    return jsonify(COMICS)
+    return jsonify([enrich_comic(comic) for comic in COMICS])
 
 
 @app.route('/api/comics/<int:comic_id>')
diff --git a/comics_data.py b/comics_data.py
index 0aa16b3..5add939 100644
--- a/comics_data.py
+++ b/comics_data.py
@@ -1,6 +1,10 @@
 # Comic data
 # Edit this file to add, remove, or modify comics
 
+# Global setting: Set to True to make all comics full-width by default
+# Individual comics can override this with 'full_width': False
+FULL_WIDTH_DEFAULT = False
+
 COMICS = [
     {
         'number': 1,
@@ -9,14 +13,14 @@ COMICS = [
         'date': '2025-01-01',
         'alt_text': 'The very first comic',
         'author_note': 'This is where your comic journey begins!',
-        'full_width': True  # Optional: removes border and expands image width
+        'full_width': True  # Optional: override FULL_WIDTH_DEFAULT for this comic
     },
     {
         'number': 2,
         'filename': 'comic-002.jpg',
         'date': '2025-01-08',
         'alt_text': 'The second comic',
-        'full_width': True
+        'full_width': True  # Override FULL_WIDTH_DEFAULT
     },
     {
         'number': 3,