This would definitely benefit from some regex and local aliases to curb redundancy.

Bot version:
!tc temp convtemp (i.e !tc 50 F will say 50 C is 122 F)

on $*:TEXT:/^[!]tc\s+(\d+)\s+(c|f)$/Si:#:{
  if ($regml(2) == C) { msg # $regml(1) F is $round($calc((($regml(1) - 32) / 9) * 5), 2) C }
  else { msg # $regml(1) C is $round($calc((($regml(1) * 9) / 5) + 32), 0) F }
}

@Hawkee I wanted to ask you about bad word filtering here. I was looking at my old snippet here http://www.hawkee.com/snippet/9110/ and I realized that the site gets filtered out in the description and in the code, but not in the title of the page? That particular site is down/doesn't really exist anymore now, but it's the same with other sites in that 'network.' (What the f* should I make for dinner, The F**** Weather, etc.) Is there a certain way we should go about dealing with code that connect to sites like that?

Nice job man.

--

I updated it to work for youtu.be links as well. http://paste2.org/4IM0t8Gs