I'm not sure. nostr:nprofile1qqsglv2qkn5dmmuhee9cy8fywfu2rfp4xd3xy0myqg2gfvmjl9yqqrqpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qzrmhwden5te0dehhxarj9ekk7mgpp4mhxue69uhkummn9ekx7mqta8k3w or nostr:nprofile1qqsgutaplle37z2p9qd60rcaz82pr2j9ew2e06dzezgdft4sj57p7qcpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3vamnwvaz7tmjv4kxz7fwwpexjmtpdshxuet5qyv8wumn8ghj7un9d3shjvewvfkx7emnw3ezuctswqx62fa3 will know, they run it. It does have a free option for sure.

You can use any image host though. Any web link to an image will work.