It is possible to have a Skingrad in a Flavor of Red Window Option - To Match those House that use the Red Curtain's, The Yellow and Orange are only Selection compared to the Cities..Or SI Style..
This is already how it is actually. The Skingrad houses that don't use the Skingrad specific windows already use your choice of Chorrol window options. So you'll see red curtains on Skingrad houses if you picked that for Chorrol.
I suppose I could separate this to make separate selections for both, although don't know if that would be useful. For now I've added a note to the install scripts.
My avatar again entered anvil at night. The same Fighters Guild hall lights were dark. What's more, I noticed more buildings with dark windows.
Yes, an error. Thanks for the report. Version 5.5.3 is being uploaded to fix this. The only windows it affected were the arch windows as you said when using Curtains Frames.
http://www.tesnexus.com/downloads/file.php?id=19628
? Fixed missing lit arch windows from many Anvil buildings when using the certain curtains options.
? Added a note for install scripts indicating your choice of Chorrol windows also affects many Skingrad windows.