I used Windows Live Movie Maker with my Year 2s. They took lots of photos of their plasticine models moving and then we uploaded them onto Windows Movie Maker. You can adjust the duration so they run quickly and it is easy to add music, titles, credits etc. You can download Windows Live Movie Maker for free if you just google it. There are lots of helpful tutorials on You tube about how to use it if you need to. When I do it again next year I will use I Can Animate, as it does that onion skin thing where you can see your previous picture immediately and overlay the next one on top, so you can see the movement, but Movie Maker works well. Just remember to save project and then save movie at the end as this is where it creates it into a proper movie for viewing anywhere. I use Movie Make for lots of things now, as it is much more adaptable and interesting than powerpoint, though it is quite tricky for the Year 2s to use themselves. I Can Animate lets them do more of the technical stuff.