Hey
I have go through with the attachment video and will do help you with Motion Rigging For Scenes, please share the 3D files you have.
I have 4 years of experience in 3D modeling, Rendering, texturing.
3D softwares are following:3Ds Max, Maya, Zbrush , Solidworks.
Please have a look at my portfolio :
https://www.freelancer.com/u/babanpreet852.html
Thank you