If you need to mount the iso images (and several others from the list below), you may want to try this freely available tool from :
http://www.disc-tools.com
It has a DAEMON Tools that enables you to use your CD/DVD images as if they were already burned to CD/DVD.
DAEMON Tools Lite supports the following image types:
b5t (BlindWrite images)
b6t (BlindWrite images)
bwt (BlindRead images)
ccd (CloneCD images)
cdi (DiscJuggler images)
cue (Cue sheets)
iso (Standard ISO images)
mds (Media Descriptor Files)
nrg (Nero images)
pdi (Instant CD/DVD images)
isz (Compressed ISO images)
