why is there a photo at the top of the message screeb

Hey there,

that’s mean you pinned it !

Pin important conversations

1. In Messages, tap Edit or the More button .
2. Tap Edit Pins , then tap the Pin button .
3. Tap Done.

You can also touch and hold a conversation to pin it. In iOS 14 and iPadOS 14 and later, you can pin up to nine conversations.