scott not scot you can get special clips that hold bottle cages to the frame tubes.....i think minoura make them....easy to put on or take off.....and no need for duct tape!
There's the Zéfal Gizmo too. (First Google result; no particular retailer recommendation implied.)
There's the Zéfal Gizmo too. (First Google result; no particular retailer recommendation implied.)