No glue, just a bit of silicon on both sides of the suit - just like installing suit valves. Do not use aquaseal.
I am sure there are several ways to route, but this is how I do it. The hose comes from the valve, through the bottom zipper section of my undies, up past my belly button and then loops back down into some some tight bike type shorts. Your, uh thing, should point towards your belly button. Remember your position in the water. The tight shorts help to hold everything in place.
You might find that cutting off a little of the nipple on your caths will help. It can sometimes fold over there. I never do, but some of the other guys I dive with always do.
HTH,
Hunter
