We're working to fix this! In the meantime, if you'd like to create a custom thumbnail that should fix the issue. We'll let you know once it's resolved.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
We're working to fix this! In the meantime, if you'd like to create a custom thumbnail that should fix the issue. We'll let you know once it's resolved.