You have to use dynamic picture like car logo. But instead off car id you use track id ;) You have to get the track logo on a specific folder. I saw in this forum someone give access to his drive with this folder.
I asked staff if there was a nice list of tracks with their ID numbers, unfortunately they don't have a list of that type.
When you got to the website and click on the track information, the ID is the last number in the URL. I have a .csv with many of the road courses and a few of the ovals mapped out.