Adding a video to Microsoft PowerPoint is an easy task, even if you’re doing it from a smartphone. However, some folks are wondering if it is possible to set a thumbnail for their videos. You see, ...

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 ...