Tiny spider I found on my ceiling.  After photographing it, I measured it at 6 to 7 millimeters wide leg to leg.  Body is about 2.5mm long.  It's still alive and well, although I don't know that I'll be able to get it off the adhesive in any manner agreeable to the spider.  This spider is much smaller than either of these:
April 6, 2008
May 12, 2008