diff --git a/files/helpers/const.py b/files/helpers/const.py
index 9f6bf912f..962e6342f 100644
--- a/files/helpers/const.py
+++ b/files/helpers/const.py
@@ -1013,7 +1013,13 @@ approved_embed_hosts = {
 	'substackcdn.com',
 	'9gag.com',
 	'ifunny.co',
-	'wixmp.com'
+	'wixmp.com',
+	'derpicdn.net',
+	'twibooru.org',
+	'ponybooru.org',
+	'e621.net',
+	'ponerpics.org',
+	'furaffinity.net'
 	}
 
 
diff --git a/files/routes/subs.py b/files/routes/subs.py
index 33b8f5b3b..e920e89d4 100644
--- a/files/routes/subs.py
+++ b/files/routes/subs.py
@@ -513,7 +513,7 @@ def subs(v):
 	return render_template('sub/subs.html', v=v, subs=subs)
 
 @app.post("/hole_pin/<pid>")
-@auth_required
+@is_not_permabanned
 def hole_pin(v, pid):
 	p = get_post(pid)
 
@@ -531,7 +531,7 @@ def hole_pin(v, pid):
 	return {"message": f"Post pinned to /h/{p.sub} successfully!"}
 
 @app.post("/hole_unpin/<pid>")
-@auth_required
+@is_not_permabanned
 def hole_unpin(v, pid):
 	p = get_post(pid)
 
diff --git a/files/routes/users.py b/files/routes/users.py
index 68bc3a9fe..beb9c142e 100644
--- a/files/routes/users.py
+++ b/files/routes/users.py
@@ -720,8 +720,10 @@ def song(song):
 @limiter.limit("1/second;30/minute;200/hour;1000/day", key_func=lambda:f'{SITE}-{session.get("lo_user")}')
 @auth_required
 def subscribe(v, post_id):
-	new_sub = Subscription(user_id=v.id, submission_id=post_id)
-	g.db.add(new_sub)
+	existing = g.db.query(Subscription).filter_by(user_id=v.id, submission_id=post_id).one_or_none()
+	if not existing:
+		new_sub = Subscription(user_id=v.id, submission_id=post_id)
+		g.db.add(new_sub)
 	return {"message": "Subscribed to post successfully!"}
 	
 @app.post("/unsubscribe/<post_id>")
@@ -729,9 +731,9 @@ def subscribe(v, post_id):
 @limiter.limit("1/second;30/minute;200/hour;1000/day", key_func=lambda:f'{SITE}-{session.get("lo_user")}')
 @auth_required
 def unsubscribe(v, post_id):
-	sub=g.db.query(Subscription).filter_by(user_id=v.id, submission_id=post_id).one_or_none()
-	if sub:
-		g.db.delete(sub)
+	existing = g.db.query(Subscription).filter_by(user_id=v.id, submission_id=post_id).one_or_none()
+	if existing:
+		g.db.delete(existing)
 	return {"message": "Unsubscribed from post successfully!"}
 
 @app.post("/@<username>/message")