I have taken a few pics to help explain my question.
My tank is braced as shown in the first pics.


Obviously this doesn't allow the standard mounts to work,

Now to my question(s). Is this what the euro brace mount is for? Given the brace doesn't go the whole length of the side of the tank, would it be strong enough to support the lights if the euro brace mount is the correct method?
I'm still a few weeks away from wetting the tank so I have time to sort this out.