Visible crew/equipment: When the newlyweds leave, just as Ralph and Betty drive their car towards the camera, the reflection of the boom mic/pole is visible on the car's windshield. (00:06:40)
Visible crew/equipment: Just after Brad says, "I really love the skillful way you beat the other girls to the bride's bouquet," as 'Dammit Janet' begins, twice it cuts to a shot of the "church caretakers" standing idly in front of the doors. In these two shots their marks are visible at their feet; there are outlines on the ground around their shoes, which vanish in following shots. (00:07:50)
Visible crew/equipment: On his motorcycle, when Eddie begins to ride to the lab's upper level, in the first shot from behind him, the shadow of the camera/equipment is visible on his back as he is moving. (00:44:30)
Visible crew/equipment: In the lab, as Eddie rides his motorcycle on the upper level, in the shot from behind him, the large rectangular reflector/light screen is visible down below to his right. It is angled up, facing the upper level as he rides past. (00:44:35)
Visible crew/equipment: When Eddie rides his motorcycle on the lab's upper level, in the second shot from behind him, just as he veers a bit to his left, the equipment attached in front of the windshield becomes visible (at the left). It's gone in other shots. (00:44:35)
Visible crew/equipment: Just as Eddie rides his motorcycle down from the lab's upper level, in the shot from behind him, set equipment and a few crew members are seen gathered at the top right of the screen, just before the shot cuts away. (00:44:40)
Visible crew/equipment: In the lab, just after Brad is Medusa-fide, when Frank-N-Furter steps in front of Dr. Scott, two moving reflections are visible on the surface of Rocky's tank. One is Frank-N-Furter's and the other is the camera moving right behind him. (01:12:35)
Visible crew/equipment: Near the end of the "rose tint my world" performance, after Dr Scott wheels off stage, you can see a crew member with flares on, walking up in the rigging above. (01:21:05)
Chosen answer: It means they are going to have sex. The bride got her groom and the groom is going to get laid.
Bruce Minnick
She got her ring, he'll get his ring... I'll leave the rest to your imagination.