XnView Software

You can also do that with MPC-HC (media player classic-home cinema) and bind it to whatever key you want so all you need to do is hit one key and it grabs a series of frames from any supported video file and saves it automatically to an output directory of your choosing. You can also tell it how man...

In 1.96 and onward it appears to have a "fixed window size" option, which is cool if you dont want a fullscreen slideshow, however, even if you check the "stretch small videos" box it doesnt resize videos to the fixed window size, it continues to play them original size inside the fixed window, wher...