What I need (in order of desire):

  24 Light gray castle walls with windows
   4 large brown full-height barrels (4x4)
   Lots of small brown barrels (2x2)

What I have to trade:

   6x8 black plates
   Flexible palm trees
   Alligators, sharks, parrots, bats, snakes, scorpions
   Many parts from many Pharoah's Forbidden Ruins (5988)
   Many parts from many Mummy's Tomb (5958)
   Many parts from Fright Night's Castle (6097), excluding gray bricks, wall elements, and some minifigs
   Sloped dark gray rock pieces
   Sealed Road Rebel (8247)
   Sealed Tribal Chief (6709)
   Sealed Ninja Knights (4805)
   Sealed Speed Boat (1069)
   Sealed Droid Fighter (7111)
   Sealed Shark Attack
   Sealed Mummy's Tomb
   Sealed Fright Knight's Castle