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If you’re creating iconic graphics, either for desktop applications, mobile apps or the web, and you’re lucky to be using Mac OS X 10.5 (Leopard), then Opacity is definitely a contender for creating those nifty looking images.
Opacity is simple, intuitive but still very powerful when it comes to creating small graphics. It supports layers, different kinds of shapes, all sorts of effects and integrates with a couple of FTP programs.
The user interface works mostly consistent with the rest of Leopard.
Have a look at the screencast on their site.
