This is just a little different than snoop's. It doesn't have the color and it isn't "leet". Also, you can turn it on or off. Just in case someone would rather have it this way than the "leet" way. It also won't return an error if it was said in a pm, this is just for channels. It's really Snoop's work, I just edited it.
On *:Text:*:#:{
if ($me isin $1-) && (%watch == on) echo -a Your name was said in $chan by $nick at $time
}
alias watch $iif(%watch == on,unset %watch,set %watch on)