Lemon Dew Salad

1 large pkg. lemon Jell-o                                             2 cups hot water

1 cup Mountain Dew                                                   1 cup pineapple juice

1 cup Whipped cream or Cool Whip                          1 - 12 oz. can pineapple tidbits

1 can lemon pie filling                                                 1 cup miniature marshmallows

Dissolve Jell-o in hot water and add the juice from the pineapple and enough Mountain Dew to make the two cups of liquid.  Chill until syrupy and then fold in the pineapple tidbits and marshmallows.  Pour into a 9 x 13 pan and chill until firm.  Whip the cream or Cool Whip and fold in the lemon pie filling until thoroughly mixed and spread this on top of the set Jell-o.  Sprinkle with nut meats and chill until set.