Questions about Raycast

Been experimenting with Raycast and I've been having a lot of fun. Though I have a few questions,

-How do I get the lighting to not move with the camera? I can't link it because it uses a model that's not public yet, but in the video, the shadows cast by the stage details move around with the camera. I know it looks like that in real life, but it's extremely jarring and ugly in an MMD video to me. Any way to stop that from happening?

-How do I make floor effects/effects that need other .fx files to work, work with Raycast? Namely KH40's Workingfloor Blur and Beamman's water effect (warning, suggestive pic on the page). Workingfloor shows up as a white plane and the water effect shows up as a translucent glowing plane. I have an idea of how I'd make them work but I have yet to test it out.

Any help appreciated!