They are called Signatures.
1. Get the [img] code from the picture u want.
2. Copy the code.
3. Go to usafclan.tk
4. Log in.
5. Click Profile on the bar at the top.
6. Click Signature
7. Scroll down to the box
8. Paste the img code in it and click save.
--ATTENTION--
You must tell me to activate the signature for it to show up!