How to mount and unmount iso file using nautilus scripts

First thing you need to do is download theese two scripts from debianadmin.com:
unmount.sh
mount.sh

Then open up the console and make theese scripts executable:
$ chmod +x mount.sh
$ chmod +x unmount.sh

Now copy theese scipts to ~/.gnome2/nautilus-scripts/ folder:
$ sudo mv mount.sh /home/baban/.gnome2/nautilus-scripts/
[sudo] password for baban:
$ sudo mv unmount.sh /home/baban/.gnome2/nautilus-scripts/

To mount the .iso file right click on the .iso file --> Scripts --> mount.sh
To unmount the .iso file right click on the .iso file --> Scripts --> unmount.sh

You can rename theese scripts to whatever you like to make it more confortable for you.