A very detailed MTS Theme for mIRC 42 scrumptious themes. Has nice clean look and has op Joins, Whois, Quit, etc. New schemes marked with *. NO EFFECT ON COLOR TEXT :)
I personally love this theme

on *:Load:{
  Echo -a 10(12 You have just loaded BaazTheme - Theme By Baaz10)
}
on ^*:TEXT:*:#:{
  if ($nick isop $chan) {
    echo $chan $timestamp 12(12 $+ 3@12 $+ $nick $+ 12) $1-
    goto end
  }
  elseif ($nick ishop $chan) {
    echo $chan $timestamp 10(12 $+ 3@13 $+ $nick $+ 10) $1-

    goto end
  }
  elseif ($nick isvoice $chan) {
    echo $chan $timestamp 10(15 $+ 3+13 $+ $nick $+ 10)3 $1-
    goto end
  }
  else { 
    echo $chan $timestamp 10(12 $+ $nick $+ 10)1 $1- 

  }
  :end
  haltdef
}
on ^*:TEXT:*:?:{
  echo $nick $timestamp 10(4 $+ $nick $+ 10)1 $1-
  haltdef
}
on *:INPUT:?:{
  if (/ !isin $left($1,1)) {
    echo -a $timestamp 10(5 $+ $nick $+ 10)5 $1-
    .privmsg $active $1-
    haltdef
  }
}
alias hop {
  if ($chan != $null) {
    echo -a $timestamp 10(12 $+ Hopping $chan $+ 10)
    /.hop
    halt
  }
  if ($chan == $null) {
    echo -a 10(8,2 $+ Error You Are Not On $chan $+ 10) 
    halt
  }
}
on ^*:JOIN:#:{  
  echo $Chan $timestamp 10(4»» $+ Join $+ 10) $+ (12 $+ $nick $+ 10) $+ (12»» $address($nick,1) $+ 4»»»)  
  haltdef
}
on ^*:part:#:{ 
  if ($nick == $me) { halt }
  if ($1-) { 
    echo $chan $timestamp 10(13 $+ Part $+ 12) $+ (12 $+ $nick $+ 10) $+ (4 $address($nick,1) $+ 10)  
  }
  if (!$1-) { 
  echo $chan $timestamp 10(15 $+ Part $+ 12) $+ (13 $+ $nick $+ 10) $+ (12 $address($nick,1) $+ 10)  }
  haltdef
}
on ^*:RAWMODE:#:{
  echo $chan $timestamp 10(12 $+ Mode Change $+ 10) $+ (3 $+ $nick Set mode $1- in $chan $+ 10)
  haltdef
}
on ^*:QUIT:{
  var %p = 0 | while (%p < $comchan($nick,0)) { inc %p | echo $comchan($nick,%p) $timestamp 10(12 $+ Quit $+ 5) $+ 10(5 $+ $remove($nick,$mid($1,1, $+ $pos($1,~,2))) $+ 10) $+ 10(7 $+ Reason $+ : $+ $iif($1- == $null || $1 == quit:,No Reason Specified.,$1-) $+ 10)
    haltdef
  }  
}
on ^*:NICK:{
  var %i = 0 | while (%i < $comchan($newnick,0)) { inc %i | echo $comchan($newnick,%i) $timestamp 10(12 $+ Nick Change $+ 10) (12 $+ $nick Is Now 13 $newnick 10) 
    haltdef
  }
}
on ^*:NOTICE:*:*:{
  if ($activecid == $cid) {
    if ([Welcome- isin $1-) && ($nick == $me) echo $remove($1,[Welcome-,]) $timestamp 10(12 $+ Greet $+ 10) $2-
    if ([Welcome- !isin $1-) echo -a $timestamp 10(12 <- Notice From $nick $+ 10) (13 $+ Msg: $1- $+ 10)
    HALT
  }
  if ($activecid != $cid) {
    if ([Welcome- isin $1-) && ($nick == $me) echo $remove($1,[Welcome-,]) $timestamp 10(12 $+ Greet $+ 10)
    if ([Welcome- !isin $1-) {
    if ([Welcome- !isin $1-) echo -a $timestamp 10(6 <- Notice From $nick $+ 10) (4 $+ Msg: $1- $+ 10)    }
    haltdef
  }
}

.privmsg $chan $1-

alias msg {
  if ($me isop $1) {
    echo $1 $timestamp 10(7 $+ $me $+ 10) $2-
    goto end
  }
  if ($me ishop $1) {
    echo $1 $timestamp 10(6 $+ $me $+ 10) $2-
    goto end
  }
  if ($me isvoice $1) {
    echo $1 $timestamp 10(6 $+ $me $+ 10) $2-
    goto end
  }
  else { 
    echo $1 $timestamp 10(3 $+ $me $+ 10) $2-
    goto end
  }
  :end
  .privmsg $1 $2-
  haltdef
}
alias notice {
  echo -a $timestamp 10(12 $+ -> For $1 $+ 10) 10(13 Msg: $2- $+ 10)
  .notice $1 $2-
  haltdef
}

on ^*:INVITE:*:{
  if ($activecid == $cid) {
    echo -a $timestamp 10(7 $+ $nick invites you to $chan $+ 10)
    haltdef
  }
  if ($activecid != $cid) {
    echo -a $timestamp 10(12 $+ $nick invites you to $chan $+ 10)
    haltdef
  }
}
on ^*:TOPIC:*:{
  if ($1-) {
    echo $chan $timestamp 10(12 $+ Topic Change By $nick $+ 10) 10( $+ $1- $+ 10)
  }
  if (!$1-) {
  echo $chan $timestamp 10(12 $+ Topic Change By $nick $+ 10) 10( $+ $1- $+ 10)  }
  haltdef
}
on ^*:snotice:*:{
  echo -a $timestamp 10(12 $+ Server Notice $+ 10) $+ 10(4 $+ $2- $+ 10)
  haltdef
}