Costume help

[imxthexcaptain.livejournal.com]

Alright, Halloween is around the corner, and I am a huge procrastonator on my costume.
I've finally figured out what I want to do, and since I'm in a time crunch, I need to figure out how to go about doing it.
So I ask for your help/ideas.

I want to be ON FIRE for Halloween. I don't want to be fire. I want to be ON FIRE, without actually being on fire...

So I was thinking of putting some burn marks on some old clothes, and attaching flames. Problem is, I don't want felt flames... I want it to look as realistic as possible, without someone throwing water on me of course.

So what are your suggestions on this? I'm terrible at sewing, and my friend who is actually capable of doing such things lives in a different state now. So, anything not requiring sewing, or requiring very little sewing is best.

I've googled for pictures, but all I've found is people being fire or firemen or devils, so its not helping me.

Thanks in advance!