Update NUSGet Usage Directions (#192)

* Update the way that NUSGet is used on cIOS page

* Update NUSGet usage on themes page

* Update NUSGet usage on update page

* Re-add old images
These images are NOT used anywhere in my updated version of the guide, but not having them breaks builds for translations that haven't been updated

Author: NinjaCheetah

docs/cios.md

@@ -47,11 +47,14 @@ If you are able to connect your Wii to the internet, you may skip to [Section II
 1. Power off your console, and insert your SD card or USB drive into your computer.
 1. On your computer, download [NUSGet](https://github.com/NinjaCheetah/NUSGet/releases/latest/), choosing the archive corresponding to your operating system. For Windows users, you should choose the `NUSGet-Windows-x86_64-bin.zip` file.
 1. Unzip the archive and run the NUSGet executable.
-1. Navigate to `IOS` > `IOS 38` > `World` and select `v4123`. Uncheck `Keep encrypted contents`. Check `Use a custom download directory` and select the folder that your NUSGet executable is in, then click `Start Download`.
+1. Navigate to `IOS` > `IOS 38` > `World` and select `v4123`. Uncheck `Keep encrypted contents`, then click `Start Download`.
 
     ![](/images/desktop-apps/nusget/nusget-4123.png)
 1. Repeat the above step for `IOS 56 (v5661)`, `IOS 57 (v5918)` and `IOS 58 (v6175)`.
-1. When you have finished downloading the above IOS, navigate to the folder where your NUSGet executable is stored. This should now contain four different folders with the title IDs for the above IOS.
+1. When you have finished downloading the above IOS, click the folder next to `Start Download`. This will open your file manager to NUSGet's download folder.
+    ![](/images/desktop-apps/nusget/nusget-open-downloads.png)
+
+1. This folder should contain four different folders with the title IDs of the above IOS, as shown here.
 
     ![](/images/desktop-apps/nusget/nusget-folder-ios.png)
 1. Enter the four directories, locating a `IOS-XX-vXXXX-Wii.wad` file in each.