Unzip filters to:
C:\Program Files\Adobe\Photoshop Elements 6.0\Plug-Ins\Filters
(location depends on the folder you installed Elements to)
After you unzip and installed the filter. Follow the steps below to make sure your filters are loaded. (Most Photoshop are set up the same way you can follow these steps to install filters).
Click on Image to see full view > You need to make sure that your plug-in folder is set up to do this go to Edit > Preferences > Plug-Ins
Click on Image to view full size > Click on Plug-ins > Check Additional Folders > Click on choose and pick the folder you unzipped and installed the filters too.
Click on Image to view full size > To use filter exit Elements and then restart and click on Filters from the top menu and you should see on the bottom of the menu the filters you have installed.