[QUOTE=Rocinante;2510720]Two toothpicks jammed between the passenger-side jump seat and the shower enclosure. No more horrible squeaking-balloon type of squeak from these two components rubbing against each other while I drive.QUOTE]
Not elegant, but effective.
If I might speculate a bit to the day sometime in the future when you sell your rig, please point it out to new owners.
Otherwise, they discover these and take them out. Followed shortly there after by new owner yelling "Martha, where's that d&#@ new squeek coming from!"