steve260, I also have had problems with my passenger door and have tried without long term success to keep it aligned. It never sounded right or looked evenly adjusted around the edges. Over the years I've made so many adjustments that I had to retap the threads in the striker plate assemply and put in oversized bolts.
There is a lot of information in the archives on door adjustments/ alignment problems. One recent post from 'escanlon' gave a great detailed procedure to try for <a ref="http://zcar.com/forums/read.php?f=1&i=228851&t=228686">DOOR ALIGNMENTs.</a>