Items from 17 people Peter Van Gils follows

Alternatively, if you want to do some tweaking beforehand, pressing shift+option+I brings up Layers’ Inspector window, which offers nearly as much pre-capture flexibility as its layered image files provide afterwards. (Each of Layers’ commands—full screenshot, window shot, and Inspector—are also available via a menu-bar menu.)

Finally, almost hidden at the bottom of the Inspector window is a tiny pop-up menu that offers two useful alternatives to saving your screenshot as a Photoshop file: Composite Image, which saves in PNG format, useful—and smaller—if you don’t need to work with individual elements or if you’re passing the image on to someone who may not have Photoshop; and Bunch Of Images, which saves each selected item as a separate PNG image file, with these images grouped together in a common folder.