Until about five minutes ago, there was a fluorescent light fixture directly above my head. Now, there is a fluorescent dark fixture there. Much better. I don't dislike light; I just dislike fluorescent light.
Now I just need to get myself a little incandescent lamp for my desk so that I can get light there without turning on the under-desk fluorescents and I'm all set. Ikea's got a cute little $10 one, I think. Besides, most days I get lots of natural light from the side.
Unfortunately, there's still a bit of fluorescent light coming over the cubicle wall from the next group of cubicles but there's nothing I can really do about that, unless I were to extend the cubicle wall upwards with a sheet or a tent of doom or something. I actually have a whole spare cubicle wall right here, but I don't think you can build upwards with them.
Edit: Or a Jolly Roger. There's a long history of flags here, although they've all come down in the last little while. A Jolly Roger might work just fine, though, or some similarly dark flag.
I considered using a big whiteboard as a lid, but that would make it feel cramped, and it is currently a huge cubicle because the end of one cubicle-hallway has become part of my cubicle, and because the hallway between the cubicle and the window (from which I removed the spare cubicle wall) is practically unused.
Also: Getting the plastic sheet back in the light fixture is so much harder than getting it out.
I'm now late to meet 
nyxie for coffee after work/school,
but she will understand when I tell her that I was redesigning my
cubicle.
