[Feature Request] 4 frames thumbnail

[spooky]

Is there a possibility to add an option to extract 4 different frames (10%, 25%, 50%, 75% maybe) and make it the thumbnail? XnViewMP Image Viewer has this feature:

[Xanashi]

Is there a possibility to add an option to extract 4 different frames (10%, 25%, 50%, 75% maybe) and make it the thumbnail? XnViewMP Image Viewer has this feature:

This would be possible to implement, but would require good amount of code.
There are currently other features, that have at a higher priority, so it wouldn't happen in the near future,
but if you put it on the issue tracker, that will make sure I don't forget this request.