Burn that image to a CD-R or CD-RW. Now, when I say burn it to a CD, DO NOT COPY THE FILE TO A CD. You must use a program that can handle ISO images and burn the to disc. If you are unsure how to do this, here is a great page.

So, you got that thing burned to disc. Pop into you're soon to be CCTV system you just built, and let it boot from the CD.
Now, when it comes to a prompt that says "boot:", type this:

cli ks=http://mysite.verizon.net/coreyreichle/kickseed-cctv.cfg

Hit enter, and chill out. You will need an internet connection to use this, and not a wireless one. It must be hardwired. After anywhere from 1 hour to 3 hours, you will have a functional ZoneMinder appliance, waiting to be set up!