I'm having somewhat of a problem here as well. I'm using photoshop cs2 and I'm somewhat new at it. 2 of the problems I'm having understanding what I'm doing here is how to "mask" what I've made and how to make an alpha channel. On top of that I'm not sure what is meant by a power of 2. If anyone wouldn't mind spending a bit of time explaining these to my I'd greatly appreciate it.
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