Quoting: FUBAR
1 will be the switch from the wiring diagram in the other thread for the 2 inner lights & then as Dean said abut the panels I thought about the possibility of moving my rear fog light switch to the same panel.
you could use a rotor switch with multiple positions
1 would be sides
2 would be mains with high low selected from the stalk
I dont see any real point of the other switch in your circuit diagram
that just leaves the fog light. I might be able to locate a rotary switch with a pull switch incorperated. the pull switch would operate your fogas and a warning LED fitted beloow would show when they were on. This in my opinion would look much neater
***EDIT***
Looking at your circuit description again i thonk the addition of that switch could cause problems with the MOT as if they test the lights without that switch closed only the outer lights would work. MOT states all lights fitted must work. I know this is nitt picking but some MOT guys can be a little strange