Avatars aren't showing up on Mastodon for me. Should they?

If I search for my account by searching for "https://nerdbin.social/u/Gourd" from my Mastodon (gourd@tech.lgbt) my avatar doesn't show up, just showing the default "no avatar" image. Should this be happening with KBin accounts on Mastodon? It makes sharing my longer posts with people there from here be something that would look...