Look at the edit of my first post: Notifications with gif or picture not working SNMP bandwidth monitor using statistics and a utility meter - Configuration - Home Assistant Community (home-assistant.io).
EDIT: Corrected link.
Look at the edit of my first post: Notifications with gif or picture not working SNMP bandwidth monitor using statistics and a utility meter - Configuration - Home Assistant Community (home-assistant.io).
EDIT: Corrected link.