I tried about 4 different notes of mine and no luck.
"Sorry, we weren't able to find this note on the specified relay."
I'm on about 30 different relays.
#[0] and I have been working on a simple js library that allows Nostr cards to be embedded anywhere else on the web. Nostrichs can now flood the web with Notes (other stuff coming soon...)
https://github.com/nostrband/nostr-embed
You can try it out and generate your own embed codes here: https://embed.nostr.band

I tried about 4 different notes of mine and no luck.
"Sorry, we weren't able to find this note on the specified relay."
I'm on about 30 different relays.