Go to the Render Menu, and select "Save Last Render" to save the image. It still sits in RAM until you do something with it. BTW, when you give a file name to save it as, make sure you tack on ".jpg" or ".tif" to the file name when you do name it. If you forget, find the file (it'll have no extension behind it), and rename it with the extension; it'll open fine. /P