Image oddities in Recommendations

[prl]

The image for Sound of Music in last weekend's Android recommendations looked like it was stretched from 4:3 to 9:16 format, resulting in a very odd-looking Julie Andrews.

And in this week's recommendations, why does the image for Ms Fisher's Modern Murder Mysteries show Essie Davis in costume as Phryne Fisher (from Miss Fisher's Murder Mysteries), when the new series is about her niece Peregrine Fisher, played by Geraldine Hakewill?