Okay, so, guys, apparently, since I installed 2.49 after 2.5, 2.49 took the registry variable or whatever, and the script installs it for 2.49. I can't find the correct path to put the files into. 2.5 is in C:\Users\myname\Blender Foundation\Blender. I've tried putting them into C:\Users\myname\Blender Foundation\Blender\.blender\scripts, and %appdata%\Blender Foundation\Blender\.blender, but it does nothing. This could have an easy alternative, but loading the .blend file in 2.49 keeps it from loading the animations, so I can't export it from there.
What do I do?
EDIT:
This is what I was making.