Embed Jpg Mp3 Album Art
This script does the following:
Prompts the user to select an image file.
Prompts the user to select one or multiple mp3 audio files.
Embeds the chosen image into each of the chosen audio files as album art.
Note: Ensure the chosen image is in a format supported by ID3 tags, such as JPEG or PNG. If you're using a PNG image, remember to change the 'image/jpeg' MIME type in the audio.tag.images.set method to 'image/png'.