yeah, go get some avi-divx-xvid codecs to watch the video...
to make avi screenshots
just download
Bs Player (freeware) and press P while watching the movie...
for making screenshots in Windows Media Player just do the next steps:
* Open Windows Media Player
* Go to Tools > Options
* Select the Performance Tab
* Click on the Advanced Button
* Uncheck "Use Overlays'
* Click Ok
now play your favorite movie and press "print screen" button