Blondes may not have more fun, but they tend to smile a lot more. Valerie Dillman is one of those toothy cheerful types who have been sweetening up the boob tube as eye candy on a variety of shows. But it’s on the Showtime hit Dexter that she’s seemed to stick as Valerie Castillo. Trouble is she’s murdered—so much for that series. But Valerie doesn’t die in vain. She dies naked. Who’s smiling now?