Spotify's latest tool for Artists and Podcasters is Promo Cards. These graphics are quickly formatted and ready for social media sharing. With color customization and three different aspect ratios to choose from. You can create a promo card for an Artist, Album, Song, Podcast or Podcast Episode. An example can be seen in the artwork for this podcast episode and you can create your own at https://promocards.byspotify.com
Some examples can be found below.