Former Seinfeld star Jason Alexander's next project will be weight loss.  The New York Post reports Alexander will follow in the footsteps of Valerie Bertinelli, Phylicia Rashad and Kirstie Alley as the next spokesperson for Jenny Craig.  Alexander tells People magazine he would like to lose between 30 and 40 pounds with Jenny Craig, and that he chose the plan simply for the, quote, "deadly combination of I'm fat and [the program] work[s]."  When asked if he planned to pose in a bikini like Bertinelli did after shedding 40 pounds, the actor said no and added, quote, "That's where I draw my feminine line."  Alexander played George Costanza on Seinfeld.