Well that depends on you. What is your experience with scripting? I already had experience with vb, php, perl, tcl, and some python. Not to mention some c. The sdk will give you your hooks and such. It's up to you to determine how you tap in. If you don't have any code or scripting experience, I don't think scripting in photoshop is a good place to start. Can you do the same thing with a macro? Macros are really easy to make because you can just record actions.
Jonathan Ziegler
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