Hi...
You will always get best results if you separate the head from the background otherwise the background will move as the head moves.
The way you do this hasn't changed in CrazyTalk 8. You just remove the background from the source image. This can be done using an image editor like Photoshop, Gimp etc. (recommended) before loading into CT8, or you can do it in CrazyTalk itself using the built in tools. Once you have removed the source image background you can then load a custom background in CT8 which will appear behind the character and won't move when your characters head moves.
Note: If you want the background image from the source photo as the background image in CT8, then just do a little editing in an image editor to remove the head and save it as a separate background. Almost all image editors have specialised tools for removing objects from photos so you should be able to find a tutorial on YouTube if you are unsure how to do it.
Peter
Forum Administrator
www.reallusion.com