Great freeware video tools

If you want to do one of the followings, you might want to have a look on a freeware tool.

1. Download video from youtube
2. Insert video clip in your PowerPoint slide
3. Convert videos from one format to another
4. Simple video manipulations
5. and more!
   

http://www.any-video-converter.com/products/for_video_free/

It allows you to do the above easily, and for inserting a video clip in PowerPoint slide, it helps by converting your existing clip to wmv, which I found is the best for PowerPoint purpose.