Mine came w/ a homemade but well made frame built on the tlr . It's basically a frame made of flatbar w/ one x- brace built in it and the frame has 2 carpeted 2x4 bunk boards to fit on each side of the "keel" in the tunnel. The bunks run the length of the tunnel up to about where it starts curving up. It has rollers at the rear under each keel of the hulls to stabilize the boat as most of the weight is on the tunnel. At the front there is a small piece of channel iron( about 2") w/ a vee roller on each end for the winch to pull the front of each hull into. I'll try to take some pics w/ the boat sitting on the tlr. Sorry it's sleeping for the winter so can't take the boat off the tlr. I tried to post some pics here a couple of weeks ago on this new laptop w/ windows 8 and couldn't get them posted. I still have my trusty old desktop w/ XP so I'll try on it. If that doesn't work I'll have you PM your E-mail add and do it that way.
Mike
My 12'er is sitting on a nice Calkins galvanized trailer that seems to be set up from the factory for the Livingston hull (or modified at the dealer).
Each pontoon sits on rollers and there are guide rollers on each side.
In these pics, I've got the motor off and everything stripped down as I am mid-project. Raising / reinforcing the transom, adding a 25hp with controls and moving the seating forward!