Thumb view similar to jellyfin

“Make it look like X” makes it hard to follow-up on a suggestion. Would you mind clarifying which exact feature you’re asking for? At least it’s not clear to me…

Reading between the lines it sounds like you’re asking for an option to either have a separate display mode where the regular poster is replaced by a movie’s thumb/background artwork – or an option to configure per library what format of posters it should display (e.g. 2:3 posters or 16:9/4:3 thumbs)?

There’s already a number of feature suggestions discussing such options, e.g.