You mean this thing?
<img src="http://i43.tinypic.com/v3173p.png">
Are you sure that's what that is? I can't tell, the button is so tiny in the IDE.
Edit:
I guess it's that thing's face or something?
<img src="http://i42.tinypic.com/29y0fmc.png">
Eh, it should probably be a gear icon anyway
Edit 2:
I made a gear button: <img src="http://i41.tinypic.com/1ceo7.png">
Someone else might be able to come up with a better one though.