You can use the TiBB smilies, but it's more fun to use others...

and

were attacked by thousands of
so they ran into a bar, where they discovered a band:
They skirted round the crowds and saw:
But they wisely ran out of the bar.
Outside, they were distracted by the Playboy Smiley:
She offered them...
But her friend was evil and said "Ugh they're fugly!"
She looked like this:
They were so upset that Dumbledore came to soothe them:
They came across a group of drunken party people:
So Mario and Luigi killed them all, for being drunk. They acted like this:
The cannibals were on the run now. Mario started a career as a boxer:
Luigi had a fetish for fire:
And so the story ends with our heroes being eaten by...
Pac Man.