[immel]

Lacus, That picture isn't very hard to do, but people wouldn't recognize her as Ayumi in that outfit :/.

You might be able to find more information, pictures and ideas from those threads:
http://ahsforum.com/forum/showthread.php?t=46261
http://ahsforum.com/forum/showthread.php?t=18590
http://ahsforum.com/forum/showthread.php?t=24165 (yay for Lucy cosplaying XD. The thread is far older than me, lol)