Read the films summary, you need to have the right terrain for the films that crash on you.
The bomb tic is the bottom one, for use in a 70-80 deg. dive...the rocket tic is the one just below the center cross. Once you get the feel for it, you can over or under compensate for the bomb tic depending on your AOA.
Not sure why your getting broken link for the gunsite, works here...are you using Netscape or IE for a browser?