Can someone help me with Sig?

I cant see it, is it coming up for you guys? Ok, I have a really cool sig, and can someone help me put it as my Sig? Here is Image:
http://img206.imageshack.us/my.php?image=ak6ug4.png

I made it myself, and im pissed off that i cant see it.

if this is wronge section, forgive me.

 

Click on the mountain picture thing and put it in or write


See?

EDIT: It doesn't work for me either.. It might be a big file...

 

No im not uploading it from the internet. Im getting it dirrectly from my computer.