Megaflash Sticker Locations.
Megaflash Baahammer: In World 5-4, third floor, go through the hidden warp pipe to the right of the moving platforms in the main room.
Megaflash Burnhammer: In World 5-5, first area, enter the secret room behind the rock near the entrance to the second area.
Megaflash Chillhammer: In World 4-6, look on the platform in the second minecart area. Paperize the rail to reach it.
Megaflash Clone Jump: In World 5-6, third floor, pound the stake furthest to the right.
Megaflash Eekhammer: In World 5-4, release the raft at the start of the level by hitting the stake with the hammer, then ride it to the right.
Megaflash Hammer: In World 2-2, look behind a secret panel below the balcony in the room with the Hammer Bros.
Megaflash Hopslipper: In World 5-4, in the room with the Megaflash Baahammer or Megaflash Hurlhammer.
Megaflash Hurlhammer: In World 5-1, behind the Hammer Bro. in the area with the second red flower; or in the same room as the Megaflash Baahammer.
Megaflash Infinijump: In World 5-3, in the secret area to the right of the pillars in the room with the Comet Piece that can be reached from the "loop" in the river.
Megaflash Iron Jump: In World 5-5, in the fifth area, under the "X" at the top of the hill. Stand on it until you see a shadow, then move out of the way.
Megaflash Jump: In World 6-2, through the secret door in the ship's cabin.
Megaflash Line Jump: In World 4-6, on the ledge below and to the right of where you fight the Boss (after getting the Royal sticker).
Megaflash Slaphammer: In World 5-5, in the fourth area, under the "X" on the ground closest to the entrance. Stand on it until you see a shadow, then move out of the way.