If you want to import some transparent images to your GIF animation, you can do so using the File > Open as Layers ... You can remove the image background within GIMP and make it transparent.

Once BIMP is installed, youll find it under the File menu in GIMP by selecting File > Batch Image Manipulation. Now that BIMP is installed, its time to start batch processing. The first step is to ...

GIMP is a free, open-source image editor used to manipulate and edit images. It is available on Linux, macOS, and Windows. In the file drop-down list, click Open. An Open Image window will appear.