Weird... i got this when I tried to attach and preview:
[attachment:1: C:\fakepath\v1sDv.png as expandable thumbnail]
so I don't know if that has to do with it, or why it's happening to only me, and only today (i had no problem getting that ccng thumbnail up on this very same computer using the same browser yesterday...). good thing the images aren't the most important part right now.