This one I brought from North Africa. It shows the different effects of the drugs.

Three addicts come back in the night to their home town and find the gate closed.
"Let's lie down and sleep until the gate is opened in the morning" says the opium eater.
"No, lets's smash the gate and go in" says the drunkard.
And the hashish smoker: "Why don't we simply slip through the keyhole?"