I want to create a mural animation in Blender.

Hello, I am a student currently creating animations in Blender. I would like to create an animation in which the paintings on the mural move by inserting a video with a transparent background. So, I tried to implement it with shrinkwrap by inserting an image with a transparent background, but it casts a shadow. Is there a good way to implement mural animation? I would really appreciate it if anyone could respond. I really want to implement this.

This video has a good way to apply an image (or image sequence) as part of the material: