It seems some image had .jpg extension but originally image is webp. Webp is not supported so you can use online image converter tool to convert
Tools such as
https://compressor.io/
https://www.online-convert.com/
should help
Image after converting: Testing Photo upload

Test

It works you just need to put take out text after v= from the url https://www.youtube.com/watch?v=bu0dbCWg_YI

If you use shorthand https://youtu.be/bu0dbCWg_YI you can take out after / so it would be like and Results

Regards,
Ashish