Software to take screen caps of 720p videos

Which software can I use to take screenshots of 720p videos?
I need a software which will preserve the size of the screenshots and not resize them.
I don’t want this kind of screenshots software:

I need one like this:

Can recommend me pls? Thanks!
Answer #1
*Bump
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glenny.
Answer #2
download Media Player Classic from here http://www.free-codecs.com/download/Media_Player_Classic.htm
play your video using it , select File – Save As Image/Thumbnail
Answer #3
download Media Player Classic from here http://www.free-codecs.com/download/Media_Player_Classic.htm
play your video using it , select File - Save As Image/Thumbnail
Ok, thanks man. I’ll try it out.
Answer #4
Use IMGGrabber II