There is no "in dash" ash tray. Its mounted to the bottom side of the dash. So, you would have to post a pic to let us know what "hole" you are talking about.
The ash tray is normally mounted almost where your power port is mounted as shown in the last pic that you posted.
'87 YJ, 4.2L built and bored, 8.5" of lift, 8.8 rear, AX15/NP 231, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...