World champ dumb question: Max 5 objects??

OK, I apologize - tried searching the forum and looking at the new Help files. As a user of older versions Max/MSP/Jitter for years now, in my new copy of Max 5, I can't figure out how to assign an external in a New Object chosen from the HUD window. There used to be a list of metros, selects, and ~sfplays plus numerical things like + and -. I can't for the life of me figure out how to select an external when placing a new object box. I feel real bad about this and hope someone in a forgiving state of mind can point out how simple it is to do this.

John