That's odd, what happens when you try to upload a thumbnail? Do you get an error message? Share screenshots and more details with us, we'll look into it!
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
That's odd, what happens when you try to upload a thumbnail? Do you get an error message? Share screenshots and more details with us, we'll look into it!