(via www.ubuntugeek.com)
An ISO, IMG, BIN, MDF and NRG Image management utility for the Gnome Desktop Environment. Furius ISO Mount
Features
* Automatically Mounts ISO, IMG, BIN, MDF and NRG Image Files.
* Automatically creates a mount point in your home directory.
* Automatically Unmounts the Image files.
* Automatically removes the mount directory to return your home directory to its previous state.