What effect? There's several transitions, some 3D animation and some otehr things. You need to be much more specific.
Thanks for your reply
3d block transitions
If you mean this kind of stuff then The easiest way to do that is to use a 3D app and texture a bunch of cubes with images or video on their faces. You could also do it in AE directly with some 3rd party plug-ins but they cost money. The latest versions of AE come with C4D Lite and it's entirely possible to use video as texture for objects and do the entire animation with the tools that come with AE. You just have to learn how to texture and animate in C4D Lite.
Thank you rick.