How to setup a bridge for KVM virtual machines

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http://forums.fedoraforum.org – I want to use KVM on my new F19 installation. My blocker for using Fedora's standard KVM for virtual machines was that the machines were masked from the rest of my network by NAT. Turning off NetworkManager and adding a bridge were(are) outside my comfort zone so I've waited for several releases hoping things would get simpler ( for me). Nothing has changed so I guess I will have to. Most of the material I have found is aimed at RedHat 6 configuration with the exception of a good howto guide circa F15 by stevea. I've assembled the following plan, but I would appreciate assistance/input eith (HowTos)