Right click and "save target as" or "save image as" to save the image. Don't click on the image and then try to save it as it wont save properly. IE bug. After that, open the file up in photoshop. Use the Magnifying glass tool and right click on the image. Select the menu option for "print size" and it should now be displayed at the size it will print out. Try printing it out if you want and see how it looks. These images should be at 300 dpi.

New Fig 1: 2in x 2in @ 300dpi
New Fig 1: 2in x 2in @ 600dpi (offline right now.)
New Fig 1: 2in x 2in @ 300dpi with markers
New Fig 1: 2in x 2in @ 600dpi with markers
New Fig 1: 1.5in x 1.5in @ 300dpi with markers
New Fig 1: 1.5in x 1.5in @ 600dpi with markers