As for the Oblivion ghost effect...I don't think I know how to do that. Wish I did, because yeah, that ghost shader would be perfect.
This is a close approximation of the ghost effect in Oblivion.
http://www.mediafire.com/?n62yzzl7xeq3zz4
I only used their settings, not the textures, so I'm sure it's ok to use. You can try it with different actor alpha settings. For me I like it with .1 or .2, so just add the line ...
PlayMagicShaderVisuals GhostEffect
In your onload block.
To add the effect to your mod put a check next to both your esp and this one, selecting yours as the active file, then create a new GhostEffect by changing the name (just add a prefix or something if you want) and save your esp. Make sure to use the new name in your NPC script.
If you want to use it fine if not that's fine too. No need to give me credit, I just copied Beth