GMCpanel, something like your suggestion is what I have had going thru the noggin.
Hedgehog, This sounds like an interesting approach and I will definitely file this idea at the top of the list. Look for an email from me.
Wannabe, I have seen these clamp on aluminum frame covers however I have as yet to figure out how the clamps could be clamped to the smooth sidewalls on the inside of the bed.
Thanks all,
Bruce