Farcaster, against every other social media website in existence, has decided preview thumbnails need to be 3:2 instead of 1.91:1. I'm not bitter.

Here is a public Figma file that shows 3:2 nested inside 1.91:1, with the 3:2 safe area in red, so you can design a 1:91:1 (because that's normal and works everywhere else) but also preserve proper look and feel for Farcaster 

https://www.figma.com/design/4vSKSvames31L9TVz5ymC2/og%3Aimage-for-Frames-vs-Everywhere-Else?m=auto&t=S4iDIfpxax0JzWFn-1

I have made a template file for addressing this problem to some degree (why are we all doing this)

The Farcaster formerly known as Kchamp. Books, beats, bodybuilding, bright ideas and beautiful things.

katherinechampagne.com

I have made a template file for addressing this problem to some degree (why are we all doing this) https://warpcast.com/keccers.eth/0x2526b22b