A video posted by Frank's Wood Designs who bought the leg sets and built his bench around them.
Video review by woodworking instructor Ron Herman.
Woodworkers Guild of America has a nice video about the Adjust-A-Bench. You have to be a member to view the full video, but can watch the preview here: WWGOA: Build Your Own Adjustable Woodworking Bench
Second video available from Woodworkers Guild of America which features the Adjust-A-Bench and how to build a bench and storage cabinet around it. You have to be a member to view the full video, but can watch the preview here: WWGOA: Workbench Plans: How To Build A Workbench With Full Accessories