HELP!!!

I can't seem to figure out, how to fucking change my signature i need help because i want to add a picture , but it comes up as an X.....pissing me off...i allso need to find out how to become UNchoob
<<<<<<<<help me

Here: This Is A Tutorial On How To Use Tinypic With Threads/Posts/Signatures: http://www.mpgh.net/forum/186-combat...e-hacking.html

And You Have To Raise Your Post Count To Become "Unchoob" You Do This By Posting Things Helpful To The Community.