Why change the black thumbnail preview image in Premiere Pro?
if you have many clips you need to be able to identify them visually quickly.
You can select which frame of the clip is best to replace the black poster.
How to get rid of the black thumbnail in Adobe Premiere Pro. How to change the preview thumbnail, how to change the clip poster image?
This will help with the edit if you have many clips.
The method is simple:
0 check on the drop-down menu of the project media the option "preview area" to be able to see the top thumbnail with description
1 put projects in Icon View (bottom left of project panel)
2 click on preview area (is located on the drop-down of the small arrow top right of Project pannel.)
2 select the .mov or whatever video you want to use as poster frame.
3 The thumbnail of that video has a slider on the preview area. Just move to select frame
4 Click Poster frame (there is a tiny icon that looks like a camera on the left. Click on it and you are done. )