Quick Look to iPhoto

Say you have an image file on your desktop or in a Finder window and you want to add it to iPhoto. You can select it and press the spacebar to view the image in Quick Look. Then, at the bottom, there is an icon to add the image to iPhoto. One click and it is done. This can come in handy when using Quick Look to browse through a folder full of images. You can easily add one or two to iPhoto as you browse.