Screenshot Captor is the most comprehensive screenshot tool. Its options let you include special-effects, add objects and color, share the images. The built-in editor lets you select before-capture and after-capture settings.
Images can be shared through mailing lists or printed from the app. You can crop the image, resize it, adjust colors, alter transparency, enhance it or blur it. You can even take screenshots from across a network of connected screens. Only thing is, it may take a little time and effort to use Screenshot Captor to its full potential .