You're welcome. While you're in there I'd recommend replacing the spark plugs and the tube seals as well, it will save you from having to tear it all apart again anytime soon and its pretty cheap.
What brand is the cover and gasket? I've always used OEM, I've heard of some fitment issues with...
This is a pretty good write up on replacing the valve cover gaskets along with a few other parts that are typically done at the same time (http://www.toyota-4runner.org/3rd-gen-t4rs/116069-3-4-valve-cover-gasket-replacement-part-s-n-pics.html). And just to clarify for you, your valve cover...
