Generally i think MediaPlayer Classic is easier to use for a simple thumbnail-preview: once you have set your defaults (rows, columns, pic-width) everything is automatic. But you can't change the look and feel, means you cannot edit the video properties display nor the colors or shadows of the preview.
The easiest way to use MPC is to put a link in your send-to folder so by right clicking on a video you can easily start MPC (and make thumbnails) from within your folder.
That does not work (at least for me) with ImageGrabber.
But with ImageGrabber you have a lot more possibilities to change the style, shadow, color and so on and add comments to the pic.
_________________
> Amateurs | > Handjobs | JAV Movies