the screenshot leaves no question...
It is called "alcohol" and it uses its own format for files to be burnt.
I don't know if it can support iso - look for such an option - it is an iso file you want to burn - right?
Nero or some other software can do that for sure - and also the LINUX command-line tool theNbomr
suggested - several front ends for it avalable (graveman GnomeBaker k3b xcdroast...to name a few)
...well - that was a bit too late now...
growisofs - if you want to use linux to burn the image to dvd