Your main goals with your podcast cover art should be to:
Stand out
Be easy to read (at different sizes)
Be easy to understand what your show is about
Get people to click and learn moreYou'll want to figure out these details:
Podcast Title
Podcast Description
Artist Name
3 Podcast Categories (here's a list to review with some tips)
Explicit or notArticles On Designing Cover Art:
How to design a podcast cover: the ultimate guide by 99designs
How to Design Stunning Podcast Cover Art That Stands Out in iTunes by BuzzsproutGrab the free How To Start A Podcast 10-day email course here