Once the main gate is opened you will find a room in there with a giant computer that is in a small cove. Open the next door using it and there will be horse looking reaverbots. Kill them and receive about a thousand zenny for each one. After killing all 3 enter a door from the first horse's room and then turn around and go back in for them to reappear.
After destroying the bonnes in clozer woods, go through the west door from downtown that leads to uptown. Go into the big green and white building (the news station) and talk to the lady at the desk. Tell her you are part of the beast hunter game. After a while you'll find a pattern that works 4 you. I kick the ball every time the dog comes by and on the ~eleventh second a glowing dog will come by and I kick the ball at him instead and I end up with enough points to beat rank A.
HINT:NEVER move unless you have already reached your goal.
To repair the gang's clubhouse, first join their gang. Get a pick from the worker by the bank. Give it to them. When they are finished, they will need a saw. Talk to the worker, then search the garbage pails Downtown. Give them the saw and when they are finished, you can recieve the marlwolf shell.