I usually choose what's aesthetically pleasing to me, but sometimes a distinctive moment catches my attention. Those frames deserve to be plucked and preserved.
I can't guarantee the quality of the story past the title illustration though. I like my covers with captivating typography, pleasing colour palettes, different medium, minimalistic appeal, or simply well-drawn art styles.
I'm in a lot of BL scanlation discord groups and barely any of them have a suggestion dropbox so I have nowhere to talk about this lol. Here's some that caught my eye though I can't guarantee its plot quality.
