@LMC6255
Alverdine_curtainsALL is the package file. And I'm almost certain that I got it there.
Yep. Here's the link:
http://modthesims.info/d/512649/shiftable-curtains-base-game-island-paradise.html
And I use this one too for other stuff:
http://modthesims.info/d/512711/shelves-extras-shift-amp-hide-with-walls-down.html
Heaven has one here as well that includes curtains with other things:
http://www.modthesims.info/d/497200/so-many-shiftables-and-a-little-more.html
(I don't use that one because of the issue with sims and mirrors. They'll raise or lower themselves to match the new mirror height.)