Alert message with graph of trends

[mattabrams]

The ability to include images in alerts was introduced this week with Grafana 9. It is possible with OSS:

https://grafana.com/docs/grafana/latest/alerting/images-in-notifications/

Grafana 9 Alert Migrations: legacy alert screenshot settings aren't automatically migrated to new alerts

Hi users! Grafana 9 adds support for images to grafana alerts! This is a feature that legacy alerting had - but it’s new for unified grafana alerting. That said, we want to point out that if you’re migrating from legacy alerting - there are a few configuration steps to add images in new alerts. These settings aren’t migrated from the legacy alerting section of your configuration file. A short list of helpful docs to review for managing and configuring migrated grafana alerts: Add i…