There are actually 26 segments total. 24 before the credits, 1 during the credits and 1 after the credits.
In the segment "Casetta Sperduta en Campagna" directed by Ruggero Deodato, a poster for the film "Cannibal Holocaust" can be seen hanging in a room. Deodato is best known for directing "Cannibal Holocaust", which was his most controversial film.