Add a section about tooling and a link to the zipped images

proposals/4347-emoji-verification-images.md

@@ -111,6 +111,17 @@ change in an incompatible way, I expect that the verification process will be
 extended to include information allowing clients to negotiate which image set to
 use, but this is out of scope for this proposal.
 
+### Tooling
+
+A program to download the necessary images from twemoji is provided at
+[codeberg.org/andybalaam/download-matrix-twemoji](https://codeberg.org/andybalaam/download-matrix-twemoji).
+
+The zipped result of running this tool is at
+[github.com/user-attachments/files/23055263/sas-emoji.zip](https://github.com/user-attachments/files/23055263/sas-emoji.zip).
+
+If this proposal is merged and the images are available from the spec repo, a
+similar tool could be provided to download them directly.
+
 ## Potential issues
 
 * If existing clients use Unicode characters to aid accessibility (e.g. for
@@ -156,6 +167,12 @@ use, but this is out of scope for this proposal.
     but twemoji is already in widespread use in Matrix clients, so seems the
     least disruptive alternative.
 
+* We could provide the images as a zip file like
+  [github.com/user-attachments/files/23055263/sas-emoji.zip](https://github.com/user-attachments/files/23055263/sas-emoji.zip)
+  either in addition to the individual images, or as an alternative. This would
+  probably be more convenient for client implementors, but would be less aligned
+  with the way sas-emoji.json is structured.
+
 ## Security considerations
 
 This proposal is intended to improve security by making it easier for users to