with one that looks like this
http://www.glasscraftinc.com/home/gl...gleproductfeed
then your option 1 will work as long as you plug that outlet 1 go. they are 1/4 thread brass fittings that you can get at most hard ware store they make plugs the one in this picture has a square head but they make different heads this option would be easiest for later resale.
http://www.fastfittings.com/product/28085
or you could get a 1/4 female to 1/4 hose barb
http://www.fastfittings.com/product/32053
and replace the t fitting with it on the pipe coming out of the petal
Option 1
connect the propane supply to the foot pedal and outlet 1 to inner fire propane port and outlet 2 to outer fire port.
connect O2 tank supply to foot pedal inlet and plug outlet 1 and connect outlet 2 to the outerfire port