Doc, you put your add-ons in the Add-on folder. Open your Wow Folder, then click on the "Interface" folder. There is a folder in there called "Add-ons." Drag Questhubber into the Add-on Folder. Restart the game. If it doesn't show up, check to be sure you have it enabled.
"Dogs are not our whole life, but they make our lives whole." -Roger Caras