When you rescue Ashley she will be besides you all the time, she is on the risk of being taken away and if that happends you loose the game. Tere are some parts that have big trash cans, get near one and press L2 to make Ahlsey hide in it, that way you can clear the area without having too much trouble. Remember don't let the zombies take Ashley away.
After you get to the village and all the zombies go away to pray, your next stop is a farm, there are some blue medallions hanging, get ten or more of those medallions and the merchant will give you the Punisher. This is a fully automatic weapon that is more powerfull than the handgun. Note: The medallions are not only on the farm there are more on the cementary. There are only seven on the farm.
Need help with the first "El gigante"?
There is a dog at the very biginning of the game, he is stuck in a bear trap, do not shoot him just get near him and the action comand appears in the screen push the X. Then when you're going to fight "el gigante" #1, the dog will appear and help you drawing the attention of the monster. Note: Before the dog appear you'll need to shoot some rounds to the giant.
Broken Butterfly In Castle
When you are in the area where you are just about to see the intermission sequence with Luis dying, there will be a door that lets you know that you will need another person for it. After you get Ashley back, return to this door. Give Ashley a piggyback and she will open the door. Inside will be a lot of treasure, and the powerful Broken Butterfly. You do not have to buy it from the merchant or sell it for money.
Unlockable Weapon: The Chicago Typewriter
A tompson machinegun with a firepower of 10 and unlimited ammunition wioth no reload can be unlocked for purchase at the merchant by completing the game, as well as completing the Separate Ways campaign with Ada Wong.