backgate

We've a new gate going on soon and I wanted to stop it from hitting the garage wall. I think the previous owners changed the posts to put in a lock. I'm going to put new brenton bolts on and a latch, I think I'm going to need to remove one of the posts to be able to use the latch. Question is...

Looking at making the back garden a bit more secure after a spat of break ins around the area. A neighbour has put slotted wood above there gate which looks quite nice. We'd paint it grey to blend in. The only other idea I have for our gate is to put a piece of wood across the top...