diff --git a/lib/pleroma/config/deprecation_warnings.ex b/lib/pleroma/config/deprecation_warnings.ex
index 0eb1833aa..7451fd0a7 100644
--- a/lib/pleroma/config/deprecation_warnings.ex
+++ b/lib/pleroma/config/deprecation_warnings.ex
@@ -12,8 +12,10 @@ defmodule Pleroma.Config.DeprecationWarnings do
       You are using the old configuration mechanism for the frontend. Please check config.md.
       """)
     end
+  end
 
-    if Pleroma.Config.get(:mrf_hellthread, :threshold) do
+  def check_hellthread_threshold do
+    if Pleroma.Config.get([:mrf_hellthread, :threshold]) do
       Logger.warn("""
       !!!DEPRECATION WARNING!!!
       You are using the old configuration mechanism for the hellthread filter. Please check config.md.
@@ -23,5 +25,6 @@ defmodule Pleroma.Config.DeprecationWarnings do
 
   def warn do
     check_frontend_config_mechanism()
+    check_hellthread_threshold()
   end
 end
diff --git a/lib/pleroma/mime.ex b/lib/pleroma/mime.ex
index 84fb536e0..36771533f 100644
--- a/lib/pleroma/mime.ex
+++ b/lib/pleroma/mime.ex
@@ -102,10 +102,18 @@ defmodule Pleroma.MIME do
     "audio/ogg"
   end
 
-  defp check_mime_type(<<0x52, 0x49, 0x46, 0x46, _::binary>>) do
+  defp check_mime_type(<<"RIFF", _::binary-size(4), "WAVE", _::binary>>) do
     "audio/wav"
   end
 
+  defp check_mime_type(<<"RIFF", _::binary-size(4), "WEBP", _::binary>>) do
+    "image/webp"
+  end
+
+  defp check_mime_type(<<"RIFF", _::binary-size(4), "AVI.", _::binary>>) do
+    "video/avi"
+  end
+
   defp check_mime_type(_) do
     @default
   end
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index d5b7e68c7..d1b11d4f1 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -182,8 +182,19 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   end
 
   def render("card.json", %{rich_media: rich_media, page_url: page_url}) do
-    page_url = rich_media[:url] || page_url
-    page_url_data = URI.parse(page_url)
+    page_url_data =
+      if rich_media[:url] != nil do
+        URI.merge(URI.parse(page_url), URI.parse(rich_media[:url]))
+      else
+        page_url
+      end
+
+    page_url = page_url_data |> to_string
+
+    image_url =
+      URI.merge(page_url_data, URI.parse(rich_media[:image]))
+      |> to_string
+
     site_name = rich_media[:site_name] || page_url_data.host
 
     %{
@@ -191,7 +202,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       provider_name: site_name,
       provider_url: page_url_data.scheme <> "://" <> page_url_data.host,
       url: page_url,
-      image: rich_media[:image] |> MediaProxy.url(),
+      image: image_url |> MediaProxy.url(),
       title: rich_media[:title],
       description: rich_media[:description],
       pleroma: %{