I have (PO installed):

Outdoors lamp mounted on right side of fixed fiberglass.
Fluorescent light w/directional light on back of van
Drink holders
Toiltet paper holder
Fog lights
Back light
Aircraft model lights on roof between front seats

And I installed:
Alarm
Multipocket sleeve on back of passenger seat
Rack for TV
Rack for bikes
Mickey Mouse adhesive
Extra brake lights
Tachometer
Tool box
Shovel
Umbrella
Folding BBQ
Inflatable (small) pool
Some pillows
A hat
A jacket
Two sleeping bags
First aid kit
TV
Maps case
Cardboard toilet

And would like to have:
H4 headlights
Grab handle on drivers`side
Light over sliding door
A name for my Westy

Javier Zavala
84 1,9L German  Westy
01 Prospector Hovercraft