Those tutorials can work for any photoshop, better to have the version cs4 - cs5 

How to make gifs on photoshop?

http://www.youtube.com/watch?v=ywW30qJRH7Y

Add some textures on pictures

http://www.youtube.com/watch?v=ywjW3XhxXV0

Where to find cool textures

http://www.smashapps.org/2009/07/42-free-photoshop-textures.html

How to use actions

http://www.youtube.com/watch?v=ZC2qHx_Tdh8

How to add Watermark/Credits on pictures

http://www.youtube.com/watch?v=e5emU31AAhY&feature=fvst

GIF INSIDE GIF TUTORIAL

http://val-valerie.livejournal.com/3227.html

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