Viewer plugin. The program includes brand new features, such as integration with your web browser's cache, support for running .exe programs, full screen mode, playlists, etc.
If you think that you're going to use the program frequently, you can use the preset keyboard shortcuts so you don't lose time looking for the different options on the program interface.
You can also extract movies from files in executable format and save them in SWF format. It includes hotkeys for common operations.
What's more, the program consumes very little resources, it's totally free, and contains zero spyware.