The pictures above show changes in ISO settings starting from top 100, 400, 1600, 3200 all the above were taken at 2 second shutter speed and aperture f3.5 to see the full album click here . When looking at the photos in Picasa if you click on the photo then on the right hand side of the page it shows photo information then if you click on the more info button this will show the setting used for ISO, Aperture and Shutter speed.