Pictures! It's really pretty cut and dry on how to do this.
Note how the wooden spacer is attached to the drawer insert with bugle head screws into the runner below the storage compartment, I used 1' screws and used a countersink to make them flush. When mounting the slide rails to the wooden spacers use 3/8' long so that they won't go into the side of the drawer. Mount the slides to the cabinet making sure that the outer rail is flush to the front of the cabinet and inserting a screw into the inner face. Make up spacers to mount the rear of the slide to the cabinet interior, they need to be straight. Slide out the slide rails and mount to the drawer making sure that the drawer slides in and out without binding, you may have to shim the rails slightly. Do the clothing drawers the same way.