Yeah, i did to. Can't remember where though. He had the shocks zip tied to the bumper and the shock tower. Not sure how well it worked. Looked a tad unstable to me.
I went with the "door stopper" route to allow me to get rid of the soft plastic bumper mounts. As i was constantly bending the crap out of the bulkhead brace bolts. Now its bolt, bulkhead, brace. A much more solid connection.