Roberto Valdés and Kid Rock made a cameo inside ALGIEN's Van... There is a picture with the two in the back of the van celebrating the Chillin' the Most Cruise.
There are a lot of stuff inside Algien's van, revealing in how many strange places he has been, but you can clearly see a Golden Idol from Raiders of the Lost Ark and a Cabbage Patch named "Gaston" (this doll was from Roberto Valdés sister when she was a child.