I'd say good job, but that didn't really fix the bumper sag. That gap isn't any smaller than the original picture.
If you looked around, there is a how-to for this. Where the bumper bolts on, there is enough room in the bolt holes, to thread a 2nd bolt in, from the other side. This lifts the bumper to its original position, and leaves no room for the bumper to slide/sag.
Mark