I'd go with Paint.NET. It's not as good, but it has alot of features, and it's free. My dad uses photoshop, but I use Paint.NET.
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~I live in Canada, therefore, I live in an igloo and ride polar bears~
IGN: Goki [Mari] ~ Pet: Yondai ~ Guild: The Dead Reminisce
IGN: Gwah [Ruairi] ~ Guild: Immortals
We're using Paint.net on school, and it creeps me out somethimes. I'm pretty used to use Photoshop, and Paint.net is like Photoshop, only with half of the functions >-<