diff --git a/dpaste/apps.py b/dpaste/apps.py
index 4e5ee3d..8ee32cc 100644
--- a/dpaste/apps.py
+++ b/dpaste/apps.py
@@ -26,6 +26,15 @@ class dpasteAppConfig(AppConfig):
     #   """
     EXTRA_HEAD_HTML = ""
 
+    # HTML content injected in the About page
+    EXTRA_POST_ABOUT = ""
+
+    # HTML content injeted after the "New snippet" form
+    EXTRA_POST_NEW =""
+
+    # HTML content injected at the end of every form
+    EXTRA_POST_FORM = ""
+
     # Integer. Length of the random slug for each new snippet. In the rare
     # case an existing slug is generated again, the length will increase by
     # one more character.
@@ -629,4 +638,7 @@ class dpasteAppConfig(AppConfig):
         return {
             "dpaste_application_name": self.APPLICATION_NAME,
             "dpaste_extra_head_html": mark_safe(self.EXTRA_HEAD_HTML),
+            "dpaste_extra_post_about": mark_safe(self.EXTRA_POST_ABOUT),
+            "dpaste_extra_post_new": mark_safe(self.EXTRA_POST_NEW),
+            "dpaste_extra_post_form": mark_safe(self.EXTRA_POST_FORM),
         }
diff --git a/dpaste/settings/base.py b/dpaste/settings/base.py
index 95bfcdf..e2f7fdb 100644
--- a/dpaste/settings/base.py
+++ b/dpaste/settings/base.py
@@ -102,8 +102,11 @@ DATABASES = {
 # add that webserver right away.
 try:
     import django_webserver
-    INSTALLED_APPS.append('django_webserver')
-    sys.stdout.write(f'\n🚀  Production webserver installed. Will run on port {env("PORT")}\n')
+
+    INSTALLED_APPS.append("django_webserver")
+    sys.stdout.write(
+        f'\n🚀  Production webserver installed. Will run on port {env("PORT")}\n'
+    )
 except ImportError:
     pass
 
diff --git a/dpaste/settings/tests.py b/dpaste/settings/tests.py
index 7fdf578..311d931 100644
--- a/dpaste/settings/tests.py
+++ b/dpaste/settings/tests.py
@@ -1,6 +1,7 @@
 """
 Settings for the testsuite runs.
 """
+import django
 from .base import *  # noqa
 
 SECRET_KEY = "test-key"
@@ -11,6 +12,5 @@ DATABASES = {
 
 # Drop CSP middleware for Django 3.0 until it was fixed upstream
 # https://github.com/mozilla/django-csp/issues/129
-import django
 if django.get_version().startswith("3."):
     MIDDLEWARE.remove("csp.middleware.CSPMiddleware")
diff --git a/dpaste/templates/dpaste/about.html b/dpaste/templates/dpaste/about.html
index 60e5fe6..d580b60 100644
--- a/dpaste/templates/dpaste/about.html
+++ b/dpaste/templates/dpaste/about.html
@@ -20,5 +20,7 @@
       <a href="https://github.com/bartTC/dpaste">on Github</a>.
     </p>
 
+    {{ dpaste_extra_post_about }}
+
   </article>
 {% endblock %}
diff --git a/dpaste/templates/dpaste/includes/form.html b/dpaste/templates/dpaste/includes/form.html
index bc063e1..734d091 100644
--- a/dpaste/templates/dpaste/includes/form.html
+++ b/dpaste/templates/dpaste/includes/form.html
@@ -31,10 +31,12 @@
       </button>
     </p>
   </div>
-  
+
   <p class="content superenter {% if not object %}autofocus{% endif %} {% if form.content.errors %}error{% endif %}">
       <label for="{{ form.content.auto_id }}">{% trans "Content" %}</label>
     {{ form.content }}
   </p>
+
+  {{ dpaste_extra_post_form }}
 </form>
 
diff --git a/dpaste/templates/dpaste/new.html b/dpaste/templates/dpaste/new.html
index 964a6a9..60e62f3 100644
--- a/dpaste/templates/dpaste/new.html
+++ b/dpaste/templates/dpaste/new.html
@@ -11,4 +11,5 @@
 
 {% block page %}
   {% include "dpaste/includes/form.html" %}
+  {{ dpaste_extra_post_new }}
 {% endblock %}