I need some expert advice on ripping things off of images. I'm not planning to plagiarize or anything but want to use things that are already open domain. For example, I see a Ah! my goddess wallpaper with a high quality image of belldandy. However, the image is pretty abstract so it's a little tough to get Belldandy. I was wondering what's the simplest and practical way to do this with photoshop?