I've done a lot of googling around already but found no reliable method to generate thumbnail previews for video files of certain types. .flv, .mkv, .mp4(i think) there's more. I know that windows 7 ...

I am happily using youtube.dl to grab the occasional Youtube video, but when I convert them to another format (.mpg) using ffmpeg, they don't look very clear. I am using the following command ...