Hey batema - no worries. Pretty easy to see some ideas because so many people go the ATM route so should be able to knock up something. For example
http://rfroyce.com/f8_truss_tube_newt/ and specifically
http://rfroyce.com/f8_truss_tube_new...ell_saddle.htm (scroll down for pics) so I have no doubt it will get mounted. Weight and asthetics on the other hand...
Maybe on the weekend I will see what materials are available to use and will at some stage get some prices on how much to get something made (proper tube rings that is).