By default, xytin only allows you to send messages with images once per day.

To send messages with more images, you can send images from external links

img:=https://example.com/myphoto.png

audi:=https://example.com/voice.mp3

video:=https://youtu.be/OkpuWSa0QPo

You can upload file image to this website https://nostr.build then copy the image address