Animal Crossing. Wii. My Favorite.
Ok srry Im kinda a nub im not writing it using html
Of course first Download Homebrew on your wii. Click on the homebrew tab on this website to check it out.
Once you have the Homebrew channel on your wii, On your computer download Homebrew Browser. Here is the link: Download
Youll need winrar or some other unzipper. 
Rename boot.elf to boot.dol
Place in your sd card in an reader or a built in one whichever one you have
Create a new directory named "apps" in the main directory.
Open Folder "apps" and move all the files from the file you unzipped and move them into apps.
Turn on your Wii
Insert sd card in the slot on the wii
Go to the Homebrew Channel.
Open app Homebrew Browser.
Wait for the update if its not updated already.
FINALLY Go to Utilites and install The apps "Savegame Extractor" and "Savegame installer".
Restart wii
Insert Animal crossing city folk cd
Go on the Homebrew channel
There should be Savegame installer and extractor
Click on Savegame extractor
If you have Gamecube controller insert it "don't worry people who dont have it it is optional"
Press A if using Gamecube controller If you don't have one press restart to install the savegame on your sd card.
Ok once its done turn off your wii, Then Go to your computer again.TAKE YOUR SDCARD WITH YOU!
Download these two programs to edit savegame: Actoolkit:download.php            EZDLC:>> Here <<     
Once you've downloaded those two, Insert sd card into your computer. oh yeah you'll need windows operating system
Make a copy of RVFOREST.DAT and keep it in a safe place on your desktop in a folder named saves or whatever you want.
-------------------------Coming  soon--------------------------------