Photoshop Animation

Try at least one of the following tutorials.

http://pelfusion.com/tutorials/40-photoshop-tutorials-to-create-animation/weeblylink_new_window
http://www.teachtutorials.com/photoshop/2442-Easy-create-falling-snow-to-add-to-an-image.htmlweeblylink_new_window
http://www.geniusdv.com/news_and_tutorials/2010/12/basic_3d_animation_in_photoshop_cs5.php
http://psd.tutsplus.com/tutorials/designing-tutorials/quick-tip-create-an-animated-banner-ad-in-photoshop-cs5/


Create your own animation in photoshop.
You can create multiple short original animations or one longer animation. Save often! 
Guidelines: You should have a minimum of 60 frames or 10 seconds. And should have at least 20 layers.