Looks like the npubs (“usernames”) are not properly rendered?
Discussion
Looking at the code it seems the pictures are often favicons and these things are static in the project. So basically interested app devs should submit a PR to the GitHub on static/common.js
Hold on please, this is just a static list of apps 😉 Working on fetching all this stuff from Nostr and getting an app discovery NIP through. We'll get there...