You have the option to allow Facebook to dynamically choose up to three thumbnail … When you post a video, you might want to go back and change the thumbnail if you are not satisfied with it. Uploading every kind of content is allowed on Instagram such as photos and videos. Just follow the Simple Steps to Change Instagram Video Thumbnail :-Step 1. Instagram has a built-in editor you can use to enhance your videos before posting them. The Facebook video thumbnail has its own and default size. I am trying to change the user profile picture on instagram programmatically via HTTP requests. Hope It helps. Now scroll down and find the option Upload Quality. Go to Settings