I have an ASF file that needs subtitles added. Since it already has subtitles in a different language, I'd like to add some area for the new text at the bottom of the frames. I tried Windows Movie Maker, but it only seems to allow me to put text right in the middle of a clip, not at the bottom, and I couldn't find anything about changing the frame size.

So, I need a recommendation for editing software, preferably free or very cheap, that isn't too difficult to figure out. (I'm fairly geeky, but haven't worked with videos before...) Also, it's important to me that whatever I use not degrade the audio quality, since there's music involved. (that's another reason not to use WMM.)

thanks!
Sarai