The good thing with Human Synthesys Studio is you can add and use your own image. Yes, you can upload in jpg and png format and add your own image by following the steps on the video.
First is to Click on Select Your Humatar
And then Select your Humatar and start creating your video
Click Create A Video
Check under Background and select Image.
Here you can select and add image you want to be added on your video.
If you want to add your own image to be used as background, just click Add image
You can drag and drop your own Image or click "Browse Files" to browse your photo from your computer.
Select your photo
Once you have selected your desired image, click Select and you can now use your own image in your video.