Make slideshow based on MOV. '-c:v copy' is used to took images as is. You can avoid this option to get low-qualite (low size) jpg...
fdfind -e MOV -e mov -tf --maxdepth 1 -x bash -c 'mkdir "${0}Photo" && ffmpeg -y -i ${0} -c:v copy ${0}Photo/output_%04d.jpg'
Make slideshow based on mp4. You can use for all simiar formats like mkv, webm, ...
fdfind -e mp4 -tf --maxdepth 1 -x bash -c 'mkdir "${0}Photo" && ffmpeg -y -i ${0} ${0}Photo/output_%04d.jpg'