This thread lists the ExGFX files that are currently in use and a short description of the contents of each.
80: opening cutscene graphics
81: grass, cave, castle mix with the ghost house exit sign
82: castle background
83: came with vwf thingie, useless maybe
84: castle sprites with vertical bullet bill
85: volcano background
86: peach's castle
87: airship
88: airship exgfx
89: rocky wrench
8A: castle sprites with vertical and diagonal bullet bills, large cannonball
8B: layer 3 tilemap
8C: ^
8D: GFX04 with volcano lotuses
8E: lava dolphin
8F: pyramid gfx
90: Desert Pyramids
91: lazy
92: ^
93: jungle map decoration
94: desert stuff
95: layer 3 pyramids
96: pyraminds l3 tilemap
97: cobrat
98: GFX for sinking platform dissasembly (GFX04)
99: layer 3 gfx (jungle map)
9B: layer 3 tilemap (jungle map)
A0: spear guy
B4: underground with diggin' chuck rock
BC: vanilla underground background with transparency
BD: mushroom sprites with skull raft
100: layer 3 forest
200: layer 3 tilemap
201: layer 3 tilemap
80: opening cutscene graphics
81: grass, cave, castle mix with the ghost house exit sign
82: castle background
83: came with vwf thingie, useless maybe
84: castle sprites with vertical bullet bill
85: volcano background
86: peach's castle
87: airship
88: airship exgfx
89: rocky wrench
8A: castle sprites with vertical and diagonal bullet bills, large cannonball
8B: layer 3 tilemap
8C: ^
8D: GFX04 with volcano lotuses
8E: lava dolphin
8F: pyramid gfx
90: Desert Pyramids
91: lazy
92: ^
93: jungle map decoration
94: desert stuff
95: layer 3 pyramids
96: pyraminds l3 tilemap
97: cobrat
98: GFX for sinking platform dissasembly (GFX04)
99: layer 3 gfx (jungle map)
9B: layer 3 tilemap (jungle map)
A0: spear guy
B4: underground with diggin' chuck rock
BC: vanilla underground background with transparency
BD: mushroom sprites with skull raft
100: layer 3 forest
200: layer 3 tilemap
201: layer 3 tilemap