How to burn ISO disc images from Mac OS X 10.6

1) Insert a blank disc or even a RW-Disk
2) Start Disk Utility (Applications -> Utility)
3) From the File menu, choose Open Disk Image and select the ISO to be burned.
4) In the list of volumes, you will now see an item representing the ISO file. Select it and click the Burn button (on the top ovf the form) and follow the instructions.