Jacey went to the vet today. She's got either a bladder or a vaginal infection, and my money is on the bladder thing (she's always peed "funny"). So she's on antibiotics for two weeks. If there's not an improvement, she goes in for them to take a urine sample with a needle to determine what the problem is. (Jacey, trust me, you really want to get over this now--without another vet visit.)
The very minor incontinence issue might be from the infection. But it might be a "known minor side effect" of the Clomicalm she had to take. If the incontinence continues once the infection is cleared up, the vet might put her on some hormones that would have the effect of tightening things up "down there."
Meanwhile, she was a good girl at the vet's. And she's four pounds lighter than she was on her first visit, when she was still overweight from her stay at the greyhound kennel.