Moments is a widget to hold your photos on Dashboard. Just drag a photo from a Finder window, your iPhoto Library or a Safari URL and it will scale and keep it. Of course you can change whenever you want, simply hit backspace to remove current photo.
Moments goes a step further. If you want, it can hold several pictures at once, and you can swap them by pressing the spacebar, remove a picture hitting backspace or even start a slideshow with customizable delay.
