In the first film, Tinkerbell is almost sold by Peter Pan to the Duloc Guards. It is her fairy dust that allows Donkey to fly temporarily.
In Shrek 2, she is trapped in a jar and used as lighting for a mud bath with other fairies. Shrek and Fiona then fart in the mud making bubbles, which the fairies wave away.
Video Game Appearances
Tinkerbell is a playable character in Shrek 2 (video game), in the level "Prison Break", where she helps rescue Shrek, Donkey, and Puss with Little Red Riding Hood, the Big Bad Wolf and the Gingerbread Man. In the game, Tinkerbell is arrogant, sarcastic and opinionated, but she is very kind and helpful nonetheless. She is notable for being the only playable character with no physical attacks, exclusively shooting magic from afar. Her special ability has her use magic to cause allies and enemies alike to start floating in mid-air.
In Shrek Smash and Crash Racing, she makes a cameo in the Potion Factory Exterior Track. She is the purple fairy that flies across the track, and if any character hits her, they will spin out.