Video Carousel need more setup then normal Carousel and need to setup proper same image size to looks good. with Vimeo video you have to setup all Carousel images with same.
Setup 1 – setup Vimeo video and video time.
Step 2 – poster image upload at image manager.
Need to upload poster for video. take out image from video or screenshot and upload at image manager.
then add image name at Poster image section like below screenshot.
here is our sample poster image – https://cdn11.bigcommerce.com/s-9u6dasuoh9/images/stencil/original/image-manager/poster.png
Debug – Small Size Vimeo Video
Video Carousel (Vimeo) small size due to missing poster image. follow below video guide and use dummy image . Download
More Guide base on request.