You may have already seen this launcher on custom ROMs such as CyanogenMod7 aswell as other devices that run Android Gingerbread 2.3
If you are sick of the TouchWiz look, sick of the custom launchers and want to have this simplistic look, then you can give this launcher a try.
This launcher also contains it's own pack of wallpapers.
Download Launcher - Click here.
To install this launcher, you simply need to download the APK file and install it just like you install any regular app. You then hit the Home button on your SGY and you choose "Launcher" and you are done. You can set it as a system app with Titanium Backup or any other root tools that are capable of doing this.