I really couldn't find a solution I liked for hanging my Hydra 26 fixtures over my 75 gallon aquarium. Shipping to Alaska is ridiculously expensive.... so I designed my own and printed the brackets on a friend's MakerBot 3D printer. These are hanging on aluminum channels from Lowes.
Here's the thingiverse link for the brackets:
http://www.thingiverse.com/thing:1359922
Here's the thingiverse link for the brackets:
http://www.thingiverse.com/thing:1359922