Okay, My Issue is that I have some Video Files in the mkv Format and they will play but it's very lagy and choppy. the video freezes for random amounts of times and the audio sound like a scratched CD. The Movies I have in DivX and Avi work beautifully, it's just the mkv.I've installed and uninstalled several video players at this point. One of the Video apps i had told me to convert the video to a smaller resolution. Now I'm Not completely Tech-Illiterate, but How do I do that? or are there any other Ways to fix this Problem?