I tried putting an incandescent (normal) light globe into one of the circuits on the weekend. As suspected it didn't flicker but suprisingly all the CFL's which were in the same series (connected to the same module) also stopped flickering. I mentioned this to the electrician and he said that the standard globe was acting as a filter. He thinks that he may be able to remedy my problem by putting a capacitor into each of the series of lights after each of the modules. With that out of the way I can then get on with setting up the LinuxMCE.