Kerpoof

I am not a fan of the Kerpoof site layout. I don't think it is well organized, the navigation is a little hard to figure out and I felt like once i got to the activities (i.e. make a movie, picture, story, etc) I the options were very limiting. I did however like the super doodle page. It is similar to Kidsploration which we already have on our classroom computers but I still think the girls would like the site. I think it would be a fun site for girls to visit when they are working in the 4D area of the artstudio during their free time.
I am looking for a site or program for an animation project that i would like to do with my third graders early this Fall. I am hoping to do a surealist collage animation. I have done this before using still photos linked together in iphoto, but was wondering if anyone had any other suggestions for programs i might use to do this.