Showroom on Idle Camera:

This modification disables UI in lobby on idle camera activation and switches vehicles in lobby in random order.

Installation:
Put wotmod file into latest mods folder (e.g. /mods/1.19.1.0)

Setup:
Make sure you have garage camera rotation set to anything but 'Never', so 30, 45 or 60 seconds.
You can find this in Settings menu, General tab, lower right corner (scroll down)

The vehicles displayed depend on your caroussel filter.