take screenshot like ganool

[dani09]

hello i want to take screenshot from my video like this screenshot
http://www.imagebam.com/image/8e8654235630079
that ganool use
if anyone know that ganool use what program to take screen shot plz tell me
an another problem is that i want to insert logo on mkv movies that i encode and i want it to be like ganool logo on their encoded movies anyone can help me ?

[Baldrick]

Try

mpchc, open video, file->save thumbnails

Video Thumbnails Maker

movie thumbnailer

Auto-Movie-Thumbnailer

image grabber