As ConqSoft mentioned, vBGallery for vB
3.5.x does not require any file edits. If you're still using vB
3.0.x then the edits are optional if you want the vBGallery options to show in you admincp, modcp, templates grouped, etcetera.
You're showing as a verified customers.... click on the "License Info / Downloads" link from the tool bar at the top of the forums to review your licenses and to download the current version of vBGallery if your license is current.