Sort by thumbnails

Hi and thanks for taking the time
i know this is probably not a feature but maybe i can get pointed in the right direction. i have a large video file colection with files that sime times repeat sub the launguage of the titles its in diferent laguages so sime times i cant even index by that.

has any one here have tried to sold somthing like this any help wold be apriciated. the titles change but the thumbnails generates are all the same acorss the dupped files thats why i ask

att and thanks Didier