One thing I noticed using Amethyst: several other clients fail to scan the profile QR, and I heard some people say it's because it doesn't have a white border.  nostr:nprofile1qqsyvrp9u6p0mfur9dfdru3d853tx9mdjuhkphxuxgfwmryja7zsvhqpzamhxue69uhhv6t5daezumn0wd68yvfwvdhk6tcpz9mhxue69uhkummnw3ezuamfdejj7qgwwaehxw309ahx7uewd3hkctcscpyug

It looks like it needs to have a quiet zone.

https://image.nostr.build/f381f1c764eac788b19c01552b50795b9828b718ed4854bea5b6af4e02418a08.jpg

https://image.nostr.build/c231a333315589fb697e431af3157ae9e3790111baf9f5578f7a60e86666fc91.jpg