QuickPlayCM 1.1 - Pick Clean

QuickPlayCM is a contextual menu plugin that lets you play movies and other multimedia files that are supported by QuickTime without launching any application. It also has some other feature like adding thumbnail to the movie file from the current scene you are watching.

Features include:

It can display movie and any other multimedia files (that QuickTime supports) without launching any applications.
The format it supports are including but not limited to:

QuickTime movie (.mov)
Flash movie (.swf)
Mpeg movie (.mpg)
Mpeg4 movie (.mp4)
GIF animation (.gif)
MP3 music (.mp3)
MP4 music with AAC codec (.m4p) --- requires QT 6.2 or later

It let you add thumbnail icon to the movie file from the scene you are watching
It let you set the desktop picture easily from the scene you are watching