1, free material library: There are some free material library websites that provide all kinds of pictures, videos and audio materials. You can use keywords to search for zombie material, and choose the appropriate material as needed. Some common material libraries include Pixabay, Unsplash, Pexels, etc.

2. Video production software: Some video editing software or animation production software have built-in preset material libraries, which may contain some zombie materials for you to use. You can find relevant information in the software resource library or plug-in market.

3, homemade material: If you have the production ability, you can also make your own zombie material. Use special makeup, CGI technology or hand-drawing to create realistic or cartoon-like zombie images.