How about a devilish smilie?
 

I was attempting the use of the old devilish smilie: >:) , which I don't think we ever had an image version of. When I used that, it created a > and a smilie, which wasn't exactly what I intended. I found one I think would work great, and would love to have the option to use it in posts:

http://www.minorannoyance.net/~spin/.../FIREdevil.gif