My personal favorite is a Niger trigger. One of the first LFS I went to way back in 2003-2004 was called Aquatic Inxteriors in Stoughton center and they had a huge one. I was drawn to the crazy coloration throughout it's body and the long streamer tail. A couple years ago i happened to find one that I liked and it's been a happy story ever since. I'll try and get a nice picture tonight.
Semilarvatus butterfly. I've had 3 over the years including the one I have currently. I would LOVE to someday have the room in a tank for a pair. I even have one tattooed on me!