Ever want to grab the cover art for some album? Or have you ever wanted the full-size icon from an iOS app? Or the cover image from a movie or TV show? A podcast's icon? Ben Dodson hosts an excellent web-based tool that lets you do all that and more: The iTunes Artwork Finder...
I also just found this by chance with a quick Google search, which is interesting. It should be able to test if the image you'd expect iTunes to be able to find actually exists: https://bendodson.com/projects/itunes-artwork-finder/. Worked fine for a recent purchase of mine. tt2 Re...