DreamWorks Animation said Tuesday that its second-quarter profits totaled $25.6 million, down 7 percent from the $27.5 million that it took in during the same quarter a year ago. Total revenue dropped a similar amount , to $132 million. Of that amount, sales to cable of Kung Fu Panda amounting to $32.7 million proved to be the studio's biggest revenue source, followed by DVD sales of Madagascar: Escape 2 Africa, which generated $26.1 million. Theatrical ticket sales of Monsters vs. Aliens, amounting to $10.3 million, was third on the list.