this. you can put pretty much anything in there. perhaps even a short promotional clip (haven't tried mp4 yet). images and gifs however work cause we've spammed the hell out of them a couple of months ago when it became known 😅
Same, just put the link url of the gif or meme.
Like https://nostr.build/p/nb559. gif
(cancel the space before "gif")
this. you can put pretty much anything in there. perhaps even a short promotional clip (haven't tried mp4 yet). images and gifs however work cause we've spammed the hell out of them a couple of months ago when it became known 😅