Here you go, check out the pictures starting here:

http://good-times.webshots.com/photo/2020306670102454676xxSCeD
http://good-times.webshots.com/photo/2806455950102454676KKWIuY

The front panel bolts to the front cross sill it is drilled for it along the bottom. It then has a long bolt that goes through the front panels rolled top part and bolts up on both sides and then a number of bolts down on each side. If you use all thread on the long bolt you can nut it internally underneath (there is a small pocket) so it won't turn when you tighten them up.