When I google for plug-ins, I get a bunch of plug-in sites, but will these work for PSE8? Also, how do I intall the plug-ins? Do I just have to move them to a different folder? Sorry, I am new at this.
If you go to the following site you will get much of the information you need as well as some useful tools. Some of the downloads will also come will a plain text document with instructions on how to install plug-ins.
Many photoshop plug-ins will work in Elements. The best thing is to search for a plug-in that does what you want, then ask the developer about PSE compatibility.