Add Uptime-Kuma introduction, write descriptive alt text site-wide, and fix brand capitalization and filenames with spaces

content/en/6.recycled/3.alternatives/1.plex.md

@@ -15,7 +15,7 @@ This is an alternative to **Jellyfin**, kept here for reference. Plex isn't full
 
 With *Plex Pass*, you can also organize and play your music content similar to Spotify, the difference being that it’s your content, hosted and streamed from your server.
 
-![picture](/img/serveex/plex.png)
+![Plex web interface showing a media library](/img/serveex/plex.png)
 
 We'll also install [Tautulli](https://docs.linuxserver.io/images/docker-tautulli/), a tool that provides detailed stats about Plex. As always, we'll use linuxserver.io images where possible.
 
@@ -150,7 +150,7 @@ Plex offers a range of free movies/shows. After creating your account, I recomme
 
 Then go to the _Remote Access_ section and manually select a port (we’ll use `1234`). It's best not to use the default port.
 
-![picture](/img/serveex/plex-port.png)
+![Plex Remote Access settings with a manually chosen port](/img/serveex/plex-port.png)
 
 - On your router, forward TCP port `1234` to port `32400` for your server’s IP using [NAT rules](/general/networking/nat).
 - Once done, return to Plex to verify that remote access is functional.
@@ -173,7 +173,7 @@ Simply add your media to `/media/movies` and `/media/tvseries` on your server. Y
 If your media is stored on a network disk (e.g. NAS or external hard drive over the network), refer to the **Samba mount guide** so Plex can access it.
 ::
 
-## Expose Tautulli with Swag
+## Expose Tautulli with SWAG
 You don’t need to expose Plex, as it's accessible via your Plex account on plex.tv.  
 
 However, you may want to expose Tautulli so you can view stats from a simple URL when you're not home.