[Feature request] Apply thumbnails when downloading audio

[redconco]

Checklist

• I have searched for existing issues (open and closed) and confirmed this feature hasn't been requested before
• I believe this feature request will benefit more than 10% of users, not just myself

Feature Description

As I receive a lot of audio, the number of files increases, making it difficult to tell what each file is.

I wish thumbnails were applied along with the audio when downloading.

And thumbnails are also needed in the download list.