Actually it might just be easier for me to figure out what I need to do to make this link automatically take the currently logged on user's username:
ts3viewer://snechat.no-ip.org?port=9987?nickname=
HERE'S WHERE THINGS GO DOWN THE TUBES FOR ME...
I am trying to find the answer by searching up vBulletin Template Variables, HTML code, etc, but I'm just not quite there...actually I don't think I'm even close!