Welcome to LeoFinance. If you are having issues with images, you can always just replace the link with a working image. You can upload where-ever you want and just replace the link if it doesn't show properly.
Also, do you draw all the images? It seems like quite a bit of work.
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There are softwares that can help you create these videos in a more efficient manner. But even then it's a ton of work. Research, Scripting, Voice-Over, Editing, Extracting, and Finally Uploading. Each step is a big task in itself.
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