I wanted one static map with multiple markers from my familys devices.
I had been using single maps (using the website example) for each persons earlier but that made it a bit hard to see where people was in relation to the others.
So i found out that you could modify the url to include multiple markers, like this:
camera.yaml
- platform: generic
name: Tasker_Locations
still_image_url: https://maps.googleapis.com/maps/api/staticmap?size=500x500&maptype=roadmap&markers=color:gray|label:B|{{ states.device_tracker.person1.attributes.latitude }},{{ states.device_tracker.person1.attributes.longitude }}&markers=color:green|label:M|{{ states.device_tracker.person2.attributes.latitude }},{{ states.device_tracker.person2.attributes.longitude }}&markers=color:red|label:A|{{ states.device_tracker.person3.attributes.latitude }},{{ states.device_tracker.person3.attributes.longitude }}
limit_refetch_to_url_change: true
https://s3.postimg.org/8o7y6agkz/2017_03_23_19_45_55_Home_Assistant.png