@marcoarment I know, changing workflows is a hassle, but @ultraschall https://Ultraschall.fm has specifically been designed for podcasting in high-quality, including chapter marks and images with everything drag-and-drop in the timeline.
So if you’re finally fed up with jumping through hoops in Logic you might want to give it a try.

→ Don’t get led astray by the German website.

→ Documentation in English: https://ultraschall.github.io/ultraschall-manual/en/

Also, the software is in English.