I've been using nostr:nprofile1qqsdy27dk8f9qk7qvrm94pkdtus9xtk970jpcp4w48k6cw0khfm06mspp4mhxue69uhkummn9ekx7mqpz4mhxue69uhkummnw3ezummcw3ezuer9wchsj08ren . They work great and have tons of models, but haven't integrated nostr (yet?)

Will check out cypherflow.