If he continues ruling like that, he’s going to need more floor space. :)

If it were another house, I’d recommend a statue of a small crowd of Soviet citizens heroically overwhelming a man who missed Brezhnev with a pistol. The statue should be equipped with audio, so if a visitor approaches, the audio should play and multilingual translations should run on a screen, narrating the approximate dialogue:

<bang>
you missed him
<bang>
really poor shot
<bang>
hey, let me try
<bang>
give me the gun
<bang>
you're wasting ammo, give me the damn gun
<bang>
stop resisting, I will take the gun from you now

(sadly it’s based on an anecdote, no such historical event has occurred)