Papa smurf: Get him good updates.
Clumsy smurf: Call him 'Hero smurf'
Lazy smurf: Get him a new blanket and pillow.
Handy smurf: Get him a new hammer
Brainy smurf: Tell him he is clever
Reporter smurf: Get him information on whats smurfing around in the village.
Tailor smurf: Get him clothes to make.
Farmer smurf: Give him a mission to grow crops.
Dreamy smurf: Don't disturb him while he is dreaming.
Harmony smurf: Tell him his Musica is good (although its not *giggles*).
Painter smurf: Tell him something to paint.
Hefty smurf: Tell him he is so strong.
Vanity smurf: Tell him he looks very handsome.
Jokey smurf: Open his gift box(BOOM!) and laugh.
Poet smurf: Listen to him all day.
Grouchy smurf: Talk about me(Smurfette)
Baker smurf: Get Greedy smurf engaged in something.
Greedy smurf: Give him some of Baker's freshly baked cakes.
That always works for me :-)