[CentOS] burning an image

Wed Apr 14 23:58:40 UTC 2010
david walcroft <dwalcroft at bigpond.com>

I downloaded CentOS-5.4-x86_64-bin-DVD.iso but I haven't used Centos 
before and I've haven't used a -bin-DVD.iso before,every attempt so far 
to burn one has produced coasters,what do I do to get an image.

Thanks  david