It looks to me that all the images attached to messages in the darkroom portraits thread are missing. I haven't dug around, but I'd be surprised if the issue was limited to one thread.

FYI,
-KwM-

Appendage: it seems like the issue is restricted to attachments posted on or after 8/12. Images included but homed elsewhere and images homed on apug but posted before 8/12 seem to not be affected.