Making it all work in Kubuntu

Well, I installed Kubuntu yesterday and while the music stuff works great and it's better than windows already I still don't have all my videos playing or subtitles showing.  In one case I have wmv9 videos that don't play, in another it's just the subtitles not showing on an mkv file.  Anybody know how to make it work?

If you're going to use Linux, you're going to have to put forth some effort to LEARN HOW TO USE IT.  If you don't want to, go back to Windows and try again in another year.  I'm sorry, but that's just the way it is right now.  Admit defeat and become familiar with a command line, or GTFO.