Mix lime jello and chill only until congealed. Mix together in top of double boiler the marshmallows, cream cheese and orange jello (dry). Heat until all has melted and is creamy; set aside.
Whip whipping cream; add pineapple, liquid and all. Add this to melted mixture in double boiler. Put in large Pyrex dish. Pour congealed lime jello over this. Put in refrigerator. Chill until served.