This is an entry in the 26th Fortnightly Topic Challenge.
You speak the password. The entire space shudders, and the wall that you were leaning on open, spilling you headfirst into... an art museum? There are all of the pictures from the previous Clues there, but you ignore those. You focus on the new ones, which appear to be freehand drawn on the computer:
You look around for a place to enter the answer. Finally, you see a door on the other side of the room, with the now-familiar keypad.
You cross the room and type in...