thumbnail help plz

[river acorn]

which do you like more?

or i suppose this

or one with no text

[thorny glen]

My apologies as it isn't directly an answer, but I think you should lower your FOV and maybe highlight the bridge a little better to make it clearer that the video is about the bridge

For a direct answer I'd say number 3, but I think the base image could be improved on

[river acorn]

hm ok