Hey there,
only found this threaddiscussing my problem and since it is marked as solved i did not want to dig it out.
Problem is, that my podcast does not show any logo in iTunes. (Though any podcatcher displays the logo in the right way.)
Podlove Blog: http://war-klar.de
iTunes: https://podcasts.apple.com/ch/podcast/war-klar/id1071261963
Feed: http://war-klar.de/feed/summary/
Thanks for any help you can provide!