How to control 3D layers in After Effects CS3?

http://www.cgsutra.com/adobe_after_effects_tutorials/a0005_3d_environment/after_effects_3d_environment.php

3D World after effect

http://magazine.creativecow.net/article/building-a-3d-world-in-after-effects

how to use camera basic

http://www.cgsutra.com/adobe_after_effects_tutorials/a0006_camera_after_effects/camera_in_after_effects.php

make markers

http://www.bukisa.com/videos/158989_how-to-add-markers-in-adobe-after-effects-cs3

about rearranging the timeline everything you change a little part

http://forums.creativecow.net/thread/2/950887